USPC Patent Classifications

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Class 182 fire escape, ladder, or scaffold
uspcdescription
182/1182 fire escape, ladder, or scaffold/(1) means maintaining step lever on horizontally pivoted ladder
182/2.1182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support
182/2.2182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support (2.2) adjustable to plural operating positions
182/2.3182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support (2.3) swingable support
182/2.4182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support (2.3) swingable support (2.4) of dielectric material
182/2.5182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support (2.3) swingable support (2.5) ladder associated
182/2.6182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support (2.3) swingable support (2.6) providing access to underside of elevated surface
182/2.7182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support (2.3) swingable support (2.7) parallelogram linkage
182/2.8182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support (2.3) swingable support (2.8) foldable hinged support
182/2.9182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support (2.3) swingable support (2.8) foldable hinged support (2.9) hydraulically operated
182/2.11182 fire escape, ladder, or scaffold/(2.1) means maintaining platform level on angularly movable support (2.3) swingable support (2.11) telescopic support
182/3182 fire escape, ladder, or scaffold/(3) torso harness
182/4182 fire escape, ladder, or scaffold/(3) torso harness (4) window washer type
182/231182 fire escape, ladder, or scaffold/(3) torso harness (231) attached to strand wound on reel, and means for retarding unwinding of strand
182/232182 fire escape, ladder, or scaffold/(3) torso harness (231) attached to strand wound on reel, and means for retarding unwinding of strand (232) including spring for rewinding strand
182/233182 fire escape, ladder, or scaffold/(3) torso harness (231) attached to strand wound on reel, and means for retarding unwinding of strand (233) fluid resistance brake
182/234182 fire escape, ladder, or scaffold/(3) torso harness (231) attached to strand wound on reel, and means for retarding unwinding of strand (234) movable, friction brake element applied by centrifugal force
182/235182 fire escape, ladder, or scaffold/(3) torso harness (231) attached to strand wound on reel, and means for retarding unwinding of strand (235) friction brake and occupant-operated mechanism for applying brake during descent
182/5182 fire escape, ladder, or scaffold/(3) torso harness (5) strand-engaging, with descent retarder
182/6182 fire escape, ladder, or scaffold/(3) torso harness (5) strand-engaging, with descent retarder (6) leg or loop type
182/7182 fire escape, ladder, or scaffold/(3) torso harness (5) strand-engaging, with descent retarder (7) with seat
182/8182 fire escape, ladder, or scaffold/(3) torso harness (8) ladder-associated
182/9182 fire escape, ladder, or scaffold/(3) torso harness (9) with pole encircling or grasping means
182/10182 fire escape, ladder, or scaffold/(10) inclined cable supporting carrier traveling therealong
182/11182 fire escape, ladder, or scaffold/(10) inclined cable supporting carrier traveling therealong (11) occupant-controlled
182/12182 fire escape, ladder, or scaffold/(12) horizontal traversing - actuation, control, or response
182/13182 fire escape, ladder, or scaffold/(12) horizontal traversing - actuation, control, or response (13) occupant actuation or control
182/14182 fire escape, ladder, or scaffold/(12) horizontal traversing - actuation, control, or response (13) occupant actuation or control (14) occupant-controlled ascent or descent
182/15182 fire escape, ladder, or scaffold/(12) horizontal traversing - actuation, control, or response (13) occupant actuation or control (15) holding means
182/16182 fire escape, ladder, or scaffold/(12) horizontal traversing - actuation, control, or response (16) with handle or steering means
182/17182 fire escape, ladder, or scaffold/(12) horizontal traversing - actuation, control, or response (17) holding means
182/18182 fire escape, ladder, or scaffold/(18) with indicator, signal or alarm
182/19182 fire escape, ladder, or scaffold/(19) automatic control
182/20182 fire escape, ladder, or scaffold/(20) convertible
182/21182 fire escape, ladder, or scaffold/(20) convertible (21) ladder
182/22182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (22) ladder of different type
182/23182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (22) ladder of different type (23) stepladder prop pivoted to inverted position
182/24182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (22) ladder of different type (23) stepladder prop pivoted to inverted position (24) stile and prop end abutting
182/25182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (22) ladder of different type (23) stepladder prop pivoted to inverted position (25) with spreader or tie
182/26182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (22) ladder of different type (26) stepladder type with variable prop and ladder connection
182/27182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (27) scaffold
182/28182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (28) table
182/29182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (28) table (29) ironing board
182/30182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (28) table (29) ironing board (30) board as pivoted ladder prop
182/31182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (28) table (29) ironing board (30) board as pivoted ladder prop (31) crossed leg board support
182/32182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (28) table (32) wash stand
182/33182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (33) chair or stool
182/33.2182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (33) chair or stool (33.2) bottom and legs invert to unveil ladder
182/33.3182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (33) chair or stool (33.3) steps on chair back
182/33.4182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (33) chair or stool (33.3) steps on chair back (33.4) fixed steps
182/33.5182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (33) chair or stool (33.5) step withdraws from beneath seat
182/33.6182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (33) chair or stool (33.5) step withdraws from beneath seat (33.6) end-for-end turnout
182/34182 fire escape, ladder, or scaffold/(20) convertible (21) ladder (34) bed
182/35182 fire escape, ladder, or scaffold/(20) convertible (35) furniture
182/36182 fire escape, ladder, or scaffold/(36) traversing, track-mounted
182/37182 fire escape, ladder, or scaffold/(36) traversing, track-mounted (37) with occupant elevating or lowering means
182/38182 fire escape, ladder, or scaffold/(36) traversing, track-mounted (38) with vertically spaced second track
182/39182 fire escape, ladder, or scaffold/(36) traversing, track-mounted (39) ground- or floor-engaging
182/40182 fire escape, ladder, or scaffold/(40) upwardly extensible flexible ladder or escape
182/41182 fire escape, ladder, or scaffold/(40) upwardly extensible flexible ladder or escape (41) self-rigidifying
182/42182 fire escape, ladder, or scaffold/(42) endless conveyer escape
182/43182 fire escape, ladder, or scaffold/(42) endless conveyer escape (43) top and bottom support
182/44182 fire escape, ladder, or scaffold/(42) endless conveyer escape (43) top and bottom support (44) with pivoted or folding attached carrier
182/45182 fire escape, ladder, or scaffold/(45) pitched roof conforming scaffold
182/46182 fire escape, ladder, or scaffold/(46) with insulation
182/47182 fire escape, ladder, or scaffold/(46) with insulation (47) fire or heat shield
182/48182 fire escape, ladder, or scaffold/(48) chute or escape tower for personnel
182/49182 fire escape, ladder, or scaffold/(48) chute or escape tower for personnel (49) with ladder
182/50182 fire escape, ladder, or scaffold/(50) with projector or projectile
182/51182 fire escape, ladder, or scaffold/(51) with fluid handling
182/52182 fire escape, ladder, or scaffold/(51) with fluid handling (52) conduit is support
182/53182 fire escape, ladder, or scaffold/(53) detachable window seat type
182/54182 fire escape, ladder, or scaffold/(53) detachable window seat type (54) with step or additional platform
182/55182 fire escape, ladder, or scaffold/(53) detachable window seat type (55) platform below window
182/56182 fire escape, ladder, or scaffold/(53) detachable window seat type (56) extensible platform
182/57182 fire escape, ladder, or scaffold/(53) detachable window seat type (57) interior wall-engaging means
182/58182 fire escape, ladder, or scaffold/(53) detachable window seat type (57) interior wall-engaging means (58) depending
182/59182 fire escape, ladder, or scaffold/(53) detachable window seat type (57) interior wall-engaging means (58) depending (59) saddle
182/60182 fire escape, ladder, or scaffold/(53) detachable window seat type (57) interior wall-engaging means (58) depending (59) saddle (60) wall-clamping means
182/61182 fire escape, ladder, or scaffold/(53) detachable window seat type (57) interior wall-engaging means (58) depending (59) saddle (61) exterior strut
182/62182 fire escape, ladder, or scaffold/(53) detachable window seat type (57) interior wall-engaging means (62) with outside strut or brace
182/62.5182 fire escape, ladder, or scaffold/(62.5) with extensible vertical and nonvertical sections
182/63.1182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means
182/64.1182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle)
182/65.1182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (65.1) about vertical axis
182/66.1182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (65.1) about vertical axis (66.1) extension ladder (i.e., ladder having sliding section)
182/66.2182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (65.1) about vertical axis (66.1) extension ladder (i.e., ladder having sliding section) (66.2) motor operated
182/67.1182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (65.1) about vertical axis (66.1) extension ladder (i.e., ladder having sliding section) (67.1) manually operated
182/67.2182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (65.1) about vertical axis (66.1) extension ladder (i.e., ladder having sliding section) (67.1) manually operated (67.2) by use of screw
182/67.3182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (65.1) about vertical axis (66.1) extension ladder (i.e., ladder having sliding section) (67.1) manually operated (67.3) by use of gear
182/67.4182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (65.1) about vertical axis (67.4) folding ladder
182/67.5182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (65.1) about vertical axis (67.5) having screw rod for erecting ladder about horizontal pivot
182/68.1182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (68.1) extension ladder pivotally mounted to be erected about a horizontal axis
182/68.2182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (68.1) extension ladder pivotally mounted to be erected about a horizontal axis (68.2) having winch means for erecting ladder
182/68.3182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (68.1) extension ladder pivotally mounted to be erected about a horizontal axis (68.3) having gear means for erecting ladder
182/69.1182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (68.1) extension ladder pivotally mounted to be erected about a horizontal axis (69.1) having lazy tong extending means
182/69.2182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (68.1) extension ladder pivotally mounted to be erected about a horizontal axis (69.1) having lazy tong extending means (69.2) and winch to actuate lazy tong
182/69.3182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (64.1) ladder pivotably mounted on transpositioning base (e.g., on vehicle) (68.1) extension ladder pivotally mounted to be erected about a horizontal axis (69.1) having lazy tong extending means (69.3) and gear to actuate lazy tong
182/69.4182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (69.4) telescopic erecting means
182/69.5182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (69.5) erecting means actuated by lazy tong
182/69.6182 fire escape, ladder, or scaffold/(63.1) having transpositioning base and erecting means (69.6) and platform elevatable relative to its support
182/70182 fire escape, ladder, or scaffold/(70) with storage device for supple escape
182/73182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (73) reel
182/74182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (73) reel (74) escape of ladder type lowers upon release of latch
182/75182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (73) reel (74) escape of ladder type lowers upon release of latch (75) with retarder or brake on reel
182/236182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (73) reel (236) with means for retarding unwinding of strand type escape
182/237182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (73) reel (236) with means for retarding unwinding of strand type escape (237) including spring for rewinding strand
182/238182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (73) reel (236) with means for retarding unwinding of strand type escape (238) fluid resistance brake
182/239182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (73) reel (236) with means for retarding unwinding of strand type escape (239) movable, friction brake element applied by centrifugal force
182/240182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (73) reel (236) with means for retarding unwinding of strand type escape (240) friction brake and occupant-operated mechanism for applying brake during descent
182/71182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (71) occupant weight-actuated descent device
182/72182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (72) occupant-controlled descent retarder
182/76182 fire escape, ladder, or scaffold/(70) with storage device for supple escape (76) wall-embedded
182/77182 fire escape, ladder, or scaffold/(77) door and ladder
182/78182 fire escape, ladder, or scaffold/(77) door and ladder (78) door operates ladder
182/79182 fire escape, ladder, or scaffold/(77) door and ladder (78) door operates ladder (79) guided rigid ladder
182/80182 fire escape, ladder, or scaffold/(77) door and ladder (78) door operates ladder (79) guided rigid ladder (80) guide on wall or frame
182/81182 fire escape, ladder, or scaffold/(77) door and ladder (78) door operates ladder (81) door and ladder on opposite sides of wall
182/82182 fire escape, ladder, or scaffold/(82) wall- or floor-attached
182/83182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (83) wall-mounted platform, with ladder
182/84182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (83) wall-mounted platform, with ladder (84) movable platform with movable ladder
182/85182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (83) wall-mounted platform, with ladder (85) movable ladder
182/86182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (83) wall-mounted platform, with ladder (85) movable ladder (86) pivoted
182/87182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (87) embedded scaffold support member
182/88182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (88) retractable or collapsible beneath floor, track-mounted
182/89182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (89) spring-biased pivoted step or ladder
182/90182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (90) independent rung or step
182/91182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (90) independent rung or step (91) pivoted
182/92182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (90) independent rung or step (92) readily detachable
182/93182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (93) ladder
182/94182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (93) ladder (94) wall penetrating operating means
182/95182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (93) ladder (95) folding, rigid components
182/96182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (93) ladder (95) folding, rigid components (96) parallelogram type
182/97182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (93) ladder (97) pivoted
182/98182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (93) ladder (97) pivoted (98) normally counterbalanced to inoperative position
182/99182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (93) ladder (99) with portion overhanging roof
182/100182 fire escape, ladder, or scaffold/(82) wall- or floor-attached (100) single pole or strand
182/101182 fire escape, ladder, or scaffold/(101) ladder with vertically moving platform or escape
182/102182 fire escape, ladder, or scaffold/(101) ladder with vertically moving platform or escape (102) ladder supports platform
182/103182 fire escape, ladder, or scaffold/(101) ladder with vertically moving platform or escape (102) ladder supports platform (103) stile or prop-guided carriage
182/104182 fire escape, ladder, or scaffold/(104) pivotally connected ladders, mutually sustaining
182/105182 fire escape, ladder, or scaffold/(104) pivotally connected ladders, mutually sustaining (105) central upright ladder section supported therebetween
182/106182 fire escape, ladder, or scaffold/(106) with handrail or guard for ladder
182/107182 fire escape, ladder, or scaffold/(107) safety device for ground-supported ladder
182/108182 fire escape, ladder, or scaffold/(107) safety device for ground-supported ladder (108) terminal foot or shoe
182/109182 fire escape, ladder, or scaffold/(107) safety device for ground-supported ladder (108) terminal foot or shoe (109) diverse ground-engaging means
182/110182 fire escape, ladder, or scaffold/(107) safety device for ground-supported ladder (108) terminal foot or shoe (110) suction cup
182/111182 fire escape, ladder, or scaffold/(107) safety device for ground-supported ladder (108) terminal foot or shoe (111) pivotal component
182/112182 fire escape, ladder, or scaffold/(112) safety device, platform associated
182/113182 fire escape, ladder, or scaffold/(112) safety device, platform associated (113) railing
182/114182 fire escape, ladder, or scaffold/(114) with sucker rod support
182/115182 fire escape, ladder, or scaffold/(115) ladder and platform
182/116182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support
182/117182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (117) between spaced ladders
182/118182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (117) between spaced ladders (118) facing ladders
182/119182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (117) between spaced ladders (118) facing ladders (119) readily detachable platform
182/120182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (120) detachable step, single ladder
182/121182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (120) detachable step, single ladder (121) plural rung-engaging
182/122182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (120) detachable step, single ladder (121) plural rung-engaging (122) stile-contacting
182/123182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (123) plural platforms
182/124182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (124) ladder with pivoted ladder prop and pivoted platform
182/125182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (125) platform positioned by ladder and prop divergence
182/126182 fire escape, ladder, or scaffold/(115) ladder and platform (116) platform with ladder as support (126) prop-pivoted platform
182/127182 fire escape, ladder, or scaffold/(127) ladder with land vehicle
182/128182 fire escape, ladder, or scaffold/(128) scaffold supported internally on shaft
182/129182 fire escape, ladder, or scaffold/(129) combined
182/130182 fire escape, ladder, or scaffold/(130) plural platforms, common support
182/131182 fire escape, ladder, or scaffold/(130) plural platforms, common support (131) mounted for relative motion
182/132182 fire escape, ladder, or scaffold/(130) plural platforms, common support (132) stepped
182/133182 fire escape, ladder, or scaffold/(133) pole or strand grasping-type climber
182/134182 fire escape, ladder, or scaffold/(133) pole or strand grasping-type climber (134) foot- or leg-attachable
182/135182 fire escape, ladder, or scaffold/(133) pole or strand grasping-type climber (134) foot- or leg-attachable (135) with diverse holding means for occupant
182/136182 fire escape, ladder, or scaffold/(133) pole or strand grasping-type climber (136) alternate grasping
182/137182 fire escape, ladder, or scaffold/(137) body catcher
182/138182 fire escape, ladder, or scaffold/(137) body catcher (138) sheet or net type
182/139182 fire escape, ladder, or scaffold/(137) body catcher (138) sheet or net type (139) tensioned peripherally
182/140182 fire escape, ladder, or scaffold/(137) body catcher (138) sheet or net type (140) folding base
182/141182 fire escape, ladder, or scaffold/(141) platform with elevating or lowering means
182/142182 fire escape, ladder, or scaffold/(141) platform with elevating or lowering means (142) suspended
182/143182 fire escape, ladder, or scaffold/(141) platform with elevating or lowering means (142) suspended (143) simultaneously operable suspension means
182/144182 fire escape, ladder, or scaffold/(141) platform with elevating or lowering means (142) suspended (143) simultaneously operable suspension means (144) platform continuously level
182/145182 fire escape, ladder, or scaffold/(141) platform with elevating or lowering means (142) suspended (145) separate (i.e., nonwork) support for suspension means
182/146182 fire escape, ladder, or scaffold/(141) platform with elevating or lowering means (142) suspended (145) separate (i.e., nonwork) support for suspension means (146) platform holding detent coacts with support
182/147182 fire escape, ladder, or scaffold/(141) platform with elevating or lowering means (142) suspended (147) plural distinct elevating means
182/148182 fire escape, ladder, or scaffold/(141) platform with elevating or lowering means (148) operating means on platform
182/149182 fire escape, ladder, or scaffold/(141) platform with elevating or lowering means (149) trestle-type support, beam-elevating
182/150182 fire escape, ladder, or scaffold/(150) suspended platform
182/151182 fire escape, ladder, or scaffold/(151) kit or separable parts
182/152182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder
182/153182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (153) trestle
182/154182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (153) trestle (154) crossed leg
182/155182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (153) trestle (155) legs foldable parallel to beam axis in all planes
182/156182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (156) collapsible ladder
182/157182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (156) collapsible ladder (157) lazy tong type
182/158182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (156) collapsible ladder (157) lazy tong type (158) mechanical or power-extending means
182/159182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (156) collapsible ladder (159) parallel moving side, pivoted rung or step
182/160182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (156) collapsible ladder (159) parallel moving side, pivoted rung or step (160) storage providing component
182/161182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (156) collapsible ladder (159) parallel moving side, pivoted rung or step (161) plural element stile
182/162182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (156) collapsible ladder (159) parallel moving side, pivoted rung or step (162) with collapsible prop
182/163182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (156) collapsible ladder (163) folding stile
182/164182 fire escape, ladder, or scaffold/(152) unitary foldable, rigid scaffold or ladder (156) collapsible ladder (163) folding stile (164) rung-to-rung stile sections
182/165182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop
182/166182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (166) section extensible below prop pivot
182/167182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (166) section extensible below prop pivot (167) with step registration
182/168182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (168) coplanar extension with prop pivoted to lower section
182/169182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (169) single rear prop, pole type
182/170182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (170) rear prop, laterally moving
182/171182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (171) converging and contacting stiles or props
182/172182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (172) lateral prop
182/173182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (173) hinged to top-step rear flange
182/174182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (174) pivoted to top-step cleat
182/175182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (174) pivoted to top-step cleat (175) with cleat spaced spreader or tie
182/176182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (174) pivoted to top-step cleat (175) with cleat spaced spreader or tie (176) multiple link folding spreader
182/177182 fire escape, ladder, or scaffold/(165) ladder with pivoted prop (177) overlapping stile and prop
182/178.1182 fire escape, ladder, or scaffold/(178.1) stackable
182/178.2182 fire escape, ladder, or scaffold/(178.1) stackable (178.2) ladder section
182/178.3182 fire escape, ladder, or scaffold/(178.1) stackable (178.2) ladder section (178.3) male and female connecting means
182/178.4182 fire escape, ladder, or scaffold/(178.1) stackable (178.2) ladder section (178.4) overlapping sections
182/178.5182 fire escape, ladder, or scaffold/(178.1) stackable (178.5) male and female connecting means
182/178.6182 fire escape, ladder, or scaffold/(178.1) stackable (178.5) male and female connecting means (178.6) double-ended pin
182/179.1182 fire escape, ladder, or scaffold/(179.1) self-sustaining
182/180.1182 fire escape, ladder, or scaffold/(179.1) self-sustaining (180.1) ladder
182/180.2182 fire escape, ladder, or scaffold/(179.1) self-sustaining (180.1) ladder (180.2) having supporting base
182/180.3182 fire escape, ladder, or scaffold/(179.1) self-sustaining (180.1) ladder (180.2) having supporting base (180.3) vertically pivoted to supporting base
182/181.1182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle)
182/182.1182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (182.1) having height adjustable beam
182/182.2182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (182.1) having height adjustable beam (182.2) by extensible leg brace
182/182.3182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (182.1) having height adjustable beam (182.2) by extensible leg brace (182.3) step-by-step adjustment
182/182.4182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (182.1) having height adjustable beam (182.4) by slidable leg
182/182.5182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (182.1) having height adjustable beam (182.5) by extensible leg
182/183.1182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (183.1) having longitudinally extensible beam
182/185.1182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (185.1) having unitary leg to beam coupler and brace
182/186.1182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (186.1) beam clamped by leg actuation
182/186.2182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (186.1) beam clamped by leg actuation (186.2) pivotally connected legs
182/186.3182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (186.3) having leg to beam attaching bracket
182/186.4182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (186.4) leg coupled directly to beam
182/186.5182 fire escape, ladder, or scaffold/(179.1) self-sustaining (181.1) scaffold horse (e.g., trestle) (186.5) knockdown
182/186.6182 fire escape, ladder, or scaffold/(179.1) self-sustaining (186.6) having height adjustable platform
182/186.7182 fire escape, ladder, or scaffold/(179.1) self-sustaining (186.7) connector for horizontal or diagonal brace
182/186.8182 fire escape, ladder, or scaffold/(179.1) self-sustaining (186.7) connector for horizontal or diagonal brace (186.8) releasable connector
182/186.9182 fire escape, ladder, or scaffold/(179.1) self-sustaining (186.9) having cantilivered auxillary platform
182/187182 fire escape, ladder, or scaffold/(187) scaffold external of shaft
182/188182 fire escape, ladder, or scaffold/(187) scaffold external of shaft (188) horizontally adjustable
182/189182 fire escape, ladder, or scaffold/(189) single stile, strand or pole
182/190182 fire escape, ladder, or scaffold/(189) single stile, strand or pole (190) flexible
182/191182 fire escape, ladder, or scaffold/(189) single stile, strand or pole (190) flexible (191) with sliding carrier
182/192182 fire escape, ladder, or scaffold/(189) single stile, strand or pole (190) flexible (191) with sliding carrier (192) load-responsive brake
182/193182 fire escape, ladder, or scaffold/(189) single stile, strand or pole (190) flexible (191) with sliding carrier (193) occupant-actuated brake
182/194182 fire escape, ladder, or scaffold/(194) ladder
182/195182 fire escape, ladder, or scaffold/(194) ladder (195) slidable nested single rung units
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