Canadian Patent Classes

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Class 72 Building: masonry and concrete structures
cpcdescription
72/1(1) Static Containers (E.G., Silos, Bins, Or Tanks)
72/2(1) Static Containers (E.G., Silos, Bins, Or Tanks) (2) Nuclear Reactor or Nuclear Waste Storage
72/3(1) Static Containers (E.G., Silos, Bins, Or Tanks) (3) Walls Cast in Situ
72/4(1) Static Containers (E.G., Silos, Bins, Or Tanks) (4) Walls of Prefabricated Components
72/5(5) Buildings
72/6(5) Buildings (6) Crypts or Mausoleums
72/7(5) Buildings (7) Vehicle Parking
72/8(5) Buildings (8) Unitized or Modular
72/9(5) Buildings (8) Unitized or Modular (9) With Unitary Modular Formwork
72/10(5) Buildings (8) Unitized or Modular (10) With Methods of Erecting or Assembling
72/11(5) Buildings (11) Wall and Floor Intersections
72/12(5) Buildings (12) Column and Floor Intersections
72/13(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels)
72/14(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls
72/15(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (15) Curved Walls
72/16(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (16) Filled and/or Coated
72/17(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (16) Filled and/or Coated (17) Singular Wall with Filling in Voids
72/18(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (16) Filled and/or Coated (17) Singular Wall with Filling in Voids (18) With Reinforcement or Ties in Filling or Coating
72/19(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (16) Filled and/or Coated (19) Spaced Walls with Filling There between
72/20(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (16) Filled and/or Coated (19) Spaced Walls with Filling There between (20) With Reinforcing or Tying Devices
72/21(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (16) Filled and/or Coated (21) Faced With Settable Material
72/22(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (16) Filled and/or Coated (21) Faced With Settable Material (22) Subsurface With Grooves or Openings (e.g., Lath)
72/23(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (16) Filled and/or Coated (21) Faced With Settable Material (22) Subsurface With Grooves or Openings (e.g., Lath) (23) Corner Beads
72/24(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (16) Filled and/or Coated (21) Faced With Settable Material (22) Subsurface With Grooves or Openings (e.g., Lath) (24) Wire Mesh or Expanded Metal
72/25(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (25) With Prefabricated Facing on Non-Masonry Structure
72/26(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (26) With Prefabricated Facing on Masonry Structure
72/27(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (26) With Prefabricated Facing on Masonry Structure (27) Set in Cement
72/28(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (28) Spaced Walls
72/29(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (28) Spaced Walls (29) With Supporting Studs
72/30(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (30) Precast Wall Panel Swung into Vertical Position
72/31(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (31) With Drainage or Ventilation Passages
72/32(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (32) With Non-Integral Connections for Block or Panel
72/33(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (14) Walls (33) With Reinforcement or Ties Embedded in Block or Panel
72/34(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (34) Floors or Ceilings
72/35(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (34) Floors or Ceilings (35) Cast and Raised
72/36(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (34) Floors or Ceilings (36) With Prefabricated Facing
72/37(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (34) Floors or Ceilings (37) With Coating
72/38(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (34) Floors or Ceilings (38) Panel Edge to Panel Edge
72/39(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (34) Floors or Ceilings (39) Floor Panels Supported by Prefabricated Beams
72/40(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (34) Floors or Ceilings (40) Suspended Ceilings
72/41(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (34) Floors or Ceilings (41) With Ducting (e.g., for Service, Ventilation, or Drainage)
72/42(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (34) Floors or Ceilings (42) With Reinforcement or Ties
72/43(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (43) Roof Structure
72/44(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (43) Roof Structure (44) With Coating
72/45(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se
72/46(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (46) With Insulation
72/47(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (47) With Reinforcement or Ties Embedded Therein
72/48(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (48) With Embedded Wooden Members
72/49(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (49) With Coating or Embedded Particles
72/50(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (50) With Grooved or Textured Facing
72/51(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (51) With Prefabricated Facing Layer
72/52(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (52) With Recesses to Receive Strapping, Studding, or Joists
72/53(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (53) Overlapping (e.g., Floor or Wall Tiles)
72/54(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (54) Interfitting Horizontally and Vertically
72/55(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (55) Interfitting Horizontally
72/56(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (56) Interfitting Vertically
72/57(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (57) Hollow
72/58(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (57) Hollow (58) Frangible
72/59(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (57) Hollow (59) With Handle or Finger Grip
72/60(5) Buildings (13) With Prefabricated Components (e.g., Blocks, Bricks, or Panels) (45) Blocks, Panels, or Tiles Per Se (57) Hollow (60) With Elongated Mortar Grooves in Upper or Lower Surfaces
72/61(5) Buildings (61) Cast in Situ
72/62(5) Buildings (61) Cast in Situ (62) Applying to Non-Confining Supporting or Shaping Surfaces
72/63(5) Buildings (61) Cast in Situ (62) Applying to Non-Confining Supporting or Shaping Surfaces (63) With Inflatable Mold
72/64(5) Buildings (61) Cast in Situ (64) Walls
72/65(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork
72/66(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (66) Slip Form
72/67(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (66) Slip Form (67) With Hoist or Jacks for Raising Form
72/68(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (68) With Facing
72/69(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (69) With Window or Door Openings
72/70(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (70) Adjustable
72/71(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered
72/72(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (72) Spaced Opposed or Hollow
72/73(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (73) With Specific Panel Structure
72/74(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (74) Intersections (e.g., Corner)
72/75(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (75) Tie Rods or Spacers
72/76(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (75) Tie Rods or Spacers (76) With Frangible or Twist-Off Portion
72/77(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (75) Tie Rods or Spacers (77) With Means to Secure Panels in Edge to Edge Relation
72/78(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (78) With Means to Secure Panels in Edge to Edge Relation
72/79(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (79) Elements or Accessories
72/80(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (79) Elements or Accessories (80) Seal for Tie Rod
72/81(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (79) Elements or Accessories (81) Means to Secure Tie Rod to Form
72/82(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (79) Elements or Accessories (81) Means to Secure Tie Rod to Form (82) With Walers
72/83(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (79) Elements or Accessories (81) Means to Secure Tie Rod to Form (82) With Walers (83) With Wedges
72/84(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (79) Elements or Accessories (81) Means to Secure Tie Rod to Form (84) With Wedges
72/85(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (79) Elements or Accessories (85) Clamps, Braces, or Brackets
72/86(5) Buildings (61) Cast in Situ (64) Walls (65) Formwork (71) Panelled or Shuttered (79) Elements or Accessories (86) Anchors
72/87(5) Buildings (61) Cast in Situ (87) Floors, Ceilings, or Roofs
72/88(5) Buildings (61) Cast in Situ (87) Floors, Ceilings, or Roofs (88) On Corrugated or Cellular Deck
72/89(5) Buildings (61) Cast in Situ (87) Floors, Ceilings, or Roofs (88) On Corrugated or Cellular Deck (89) With Separate Elongated Rib Forming Tubes or Channels
72/90(5) Buildings (61) Cast in Situ (87) Floors, Ceilings, or Roofs (88) On Corrugated or Cellular Deck (90) With Dome Pans (e.g., Waffle Plate Pattern)
72/91(5) Buildings (61) Cast in Situ (87) Floors, Ceilings, or Roofs (91) With Embedded Steel Beam or Truss
72/92(5) Buildings (61) Cast in Situ (87) Floors, Ceilings, or Roofs (92) With Ducts for Service (e.g., Drainage, Ventilation, Wiring)
72/93(5) Buildings (61) Cast in Situ (87) Floors, Ceilings, or Roofs (93) Formwork
72/94(5) Buildings (61) Cast in Situ (87) Floors, Ceilings, or Roofs (93) Formwork (94) Prop or Jack Supported
72/95(5) Buildings (61) Cast in Situ (87) Floors, Ceilings, or Roofs (93) Formwork (95) Braces, Brackets, or Clamps
72/96(96) Fireproof Covering For Steel Beams
72/97(97) Beams And Girders
72/98(97) Beams And Girders (98) Prestressed
72/99(97) Beams And Girders (99) Reinforcing With Stirrup Projection
72/100(97) Beams And Girders (100) With Attached Steel Beam or Metal Channel
72/101(101) Posts, Columns, Or Towers
72/102(101) Posts, Columns, Or Towers (102) With Cross-arm or Beam Connections
72/103(101) Posts, Columns, Or Towers (103) Formwork
72/104(101) Posts, Columns, Or Towers (103) Formwork (104) With Corner Clamps
72/105(101) Posts, Columns, Or Towers (103) Formwork (105) Circular Forms
72/106(106) Arches
72/107(106) Arches (107) Formwork
72/108(108) Chimneys And Fireplaces
72/109(108) Chimneys And Fireplaces (109) Formwork
72/110(108) Chimneys And Fireplaces (110) Chimney Caps
72/111(111) Coping
72/112(112) Non-Slip Surfaces
72/113(113) Stairs
72/114(114) Sills And Lintels
72/115(115) Cornices Or Gutters
72/116(116) Flashings
72/117(117) Reinforcing
72/118(117) Reinforcing (118) With Pre-Stressing or Post-Tensioning
72/119(117) Reinforcing (118) With Pre-Stressing or Post-Tensioning (119) Post-Tensioning
72/120(117) Reinforcing (118) With Pre-Stressing or Post-Tensioning (120) Circular Hoops
72/121(117) Reinforcing (118) With Pre-Stressing or Post-Tensioning (121) With Lateral Force or Hold-Down for Tendon
72/122(117) Reinforcing (118) With Pre-Stressing or Post-Tensioning (122) End Anchorages
72/123(117) Reinforcing (118) With Pre-Stressing or Post-Tensioning (122) End Anchorages (123) For Multiple Tendons
72/124(117) Reinforcing (118) With Pre-Stressing or Post-Tensioning (124) With Jacks or Jacking Devices
72/125(117) Reinforcing (118) With Pre-Stressing or Post-Tensioning (125) Tendons or Ducts Per Se
72/126(117) Reinforcing (126) Special Fiber or Random Fiber
72/127(117) Reinforcing (127) Mat, Mesh, or Grid
72/128(117) Reinforcing (128) Supports, Chairs, or Spacers
72/129(117) Reinforcing (129) Bars Per Se
72/130(117) Reinforcing (130) Bar Splices
72/131(131) Anchoring Or Tying Devices
72/132(131) Anchoring Or Tying Devices (132) Socket for Insertion of Separate Fastener
72/133(131) Anchoring Or Tying Devices (132) Socket for Insertion of Separate Fastener (133) Elongated Groove Type Socket
72/134(131) Anchoring Or Tying Devices (134) Nail Receiving
72/135(131) Anchoring Or Tying Devices (135) Sheet Metal Plates or Straps
72/136(131) Anchoring Or Tying Devices (136) Wire
72/137(137) Aperture Forming Devices Or Inserts (Non-Structural)
72/138(138) Joints
72/139(138) Joints (139) For Expansion or Contraction
72/140(138) Joints (139) For Expansion or Contraction (140) With Elastomeric Member or Seal
72/141(138) Joints (141) Seals and Waterstops
72/142(138) Joints (142) Divider Strips
72/143(143) Apparatus, Devices, And Methods Of Use
72/144(143) Apparatus, Devices, And Methods Of Use (144) Texturing, Indenting, or Scarifying
72/145(143) Apparatus, Devices, And Methods Of Use (145) Repairing or Grouting
72/146(143) Apparatus, Devices, And Methods Of Use (146) Applicators (e.g., Mortar, Plaster etc.)
72/147(143) Apparatus, Devices, And Methods Of Use (147) Trowels, Floats, or Screeds
72/148(143) Apparatus, Devices, And Methods Of Use (147) Trowels, Floats, or Screeds (148) Power Driven
72/149(143) Apparatus, Devices, And Methods Of Use (149) Brick or Tile Laying
72/150(143) Apparatus, Devices, And Methods Of Use (150) Corner Tools, Jointers, Rakes or Beaders
72/151(143) Apparatus, Devices, And Methods Of Use (151) Vibrators
72/152(143) Apparatus, Devices, And Methods Of Use (152) Erecting or Assembling
72/153(143) Apparatus, Devices, And Methods Of Use (153) Concrete Form Disassembly
72/154(154) Miscellaneous