| Class 307 electrical transmission or interconnection systems | |
|---|---|
| uspc | description |
| 307/1 | 307 electrical transmission or interconnection systems/(1) superimposed unlike currents |
| 307/2 | 307 electrical transmission or interconnection systems/(1) superimposed unlike currents (2) ac and dc sources |
| 307/3 | 307 electrical transmission or interconnection systems/(1) superimposed unlike currents (3) different frequencies or phase |
| 307/4 | 307 electrical transmission or interconnection systems/(1) superimposed unlike currents (4) different voltages |
| 307/5 | 307 electrical transmission or interconnection systems/(1) superimposed unlike currents (4) different voltages (5) series-connected |
| 307/6 | 307 electrical transmission or interconnection systems/(1) superimposed unlike currents (4) different voltages (5) series-connected (6) plural converters |
| 307/7 | 307 electrical transmission or interconnection systems/(1) superimposed unlike currents (4) different voltages (5) series-connected (6) plural converters (7) induction transformer |
| 307/8 | 307 electrical transmission or interconnection systems/(1) superimposed unlike currents (4) different voltages (5) series-connected (8) plural generators |
| 307/9.1 | 307 electrical transmission or interconnection systems/(9.1) vehicle mounted systems |
| 307/10.1 | 307 electrical transmission or interconnection systems/(9.1) vehicle mounted systems (10.1) automobile |
| 307/10.2 | 307 electrical transmission or interconnection systems/(9.1) vehicle mounted systems (10.1) automobile (10.2) antitheft |
| 307/10.3 | 307 electrical transmission or interconnection systems/(9.1) vehicle mounted systems (10.1) automobile (10.2) antitheft (10.3) ignition or starting circuit lock |
| 307/10.4 | 307 electrical transmission or interconnection systems/(9.1) vehicle mounted systems (10.1) automobile (10.2) antitheft (10.3) ignition or starting circuit lock (10.4) manual code input (e.g., push button) |
| 307/10.5 | 307 electrical transmission or interconnection systems/(9.1) vehicle mounted systems (10.1) automobile (10.2) antitheft (10.3) ignition or starting circuit lock (10.5) coded record input (e.g., ic card) |
| 307/10.6 | 307 electrical transmission or interconnection systems/(9.1) vehicle mounted systems (10.1) automobile (10.6) ignition or starter circuits |
| 307/10.7 | 307 electrical transmission or interconnection systems/(9.1) vehicle mounted systems (10.1) automobile (10.7) battery protection |
| 307/10.8 | 307 electrical transmission or interconnection systems/(9.1) vehicle mounted systems (10.1) automobile (10.8) lighting circuits |
| 307/11 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems |
| 307/12 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (12) common conductor or return type |
| 307/13 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (12) common conductor or return type (13) polyphase |
| 307/14 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (12) common conductor or return type (13) polyphase (14) phase balancing |
| 307/15 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (12) common conductor or return type (15) voltage divider type |
| 307/16 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (12) common conductor or return type (16) plural output generators |
| 307/17 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (17) transformer connections |
| 307/18 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply |
| 307/19 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (19) interconnected for energy transfer |
| 307/20 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (19) interconnected for energy transfer (20) with control of magnitude of energy transfer |
| 307/21 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (19) interconnected for energy transfer (21) diverse sources |
| 307/22 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (19) interconnected for energy transfer (21) diverse sources (22) ac and dc |
| 307/23 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (23) substitute or alternate source |
| 307/24 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (24) with control of magnitude of current or power |
| 307/25 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (25) diverse sources |
| 307/26 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (25) diverse sources (26) ac and dc |
| 307/27 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (25) diverse sources (27) different frequencies |
| 307/28 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (25) diverse sources (28) different voltages |
| 307/29 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (29) selectively connected loads and/or sources |
| 307/30 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (30) anticoupling of load circuits through same source |
| 307/31 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (31) control of current or power |
| 307/32 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (31) control of current or power (32) load current proportioning or dividing |
| 307/33 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (31) control of current or power (33) constant magnitude control |
| 307/34 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (31) control of current or power (33) constant magnitude control (34) by control of one or more load circuits |
| 307/35 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (31) control of current or power (35) limit control |
| 307/36 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (36) serially connected load circuits |
| 307/37 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (36) serially connected load circuits (37) selective series-parallel connections |
| 307/38 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (38) selectively connected or controlled load circuits |
| 307/39 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (38) selectively connected or controlled load circuits (39) condition responsive |
| 307/40 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (38) selectively connected or controlled load circuits (40) code-controlled |
| 307/41 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (38) selectively connected or controlled load circuits (41) sequential or alternating |
| 307/42 | 307 electrical transmission or interconnection systems/(11) plural load circuit systems (42) circuit arrangements or layouts |
| 307/43 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources |
| 307/44 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (44) one source floats across or compensates for other source |
| 307/45 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (44) one source floats across or compensates for other source (45) with intervening converter |
| 307/46 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (44) one source floats across or compensates for other source (45) with intervening converter (46) storage battery or accumulator-type source |
| 307/47 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (44) one source floats across or compensates for other source (47) dynamoelectric-type source |
| 307/48 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (44) one source floats across or compensates for other source (48) storage battery or accumulator-type source |
| 307/49 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (44) one source floats across or compensates for other source (48) storage battery or accumulator-type source (49) with series-connected auxiliary source |
| 307/50 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (44) one source floats across or compensates for other source (48) storage battery or accumulator-type source (50) tap-changing or variable number of cells |
| 307/51 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (51) circulating- or inter-current control or prevention |
| 307/52 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control |
| 307/53 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (53) load current division |
| 307/54 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (53) load current division (54) serially connected sources |
| 307/55 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (53) load current division (55) fixed or predetermined ratio |
| 307/56 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (53) load current division (55) fixed or predetermined ratio (56) diverse-or unlike-type sources |
| 307/57 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (53) load current division (55) fixed or predetermined ratio (57) plural generators |
| 307/58 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (53) load current division (55) fixed or predetermined ratio (58) plural converters |
| 307/59 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (53) load current division (59) peak or excess load |
| 307/60 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (60) constant load or current |
| 307/61 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (60) constant load or current (61) serially connected sources |
| 307/62 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (62) load-limiting |
| 307/63 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (52) load current control (63) serially connected sources |
| 307/64 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (64) substitute or emergency source |
| 307/65 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (64) substitute or emergency source (65) plural substitute sources |
| 307/66 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (64) substitute or emergency source (66) storage battery or accumulator |
| 307/67 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (64) substitute or emergency source (66) storage battery or accumulator (67) with intervening dynamoelectric machine |
| 307/68 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (64) substitute or emergency source (68) dynamoelectric |
| 307/69 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (69) sources distributed along load circuit |
| 307/70 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (70) load transfer without paralleling sources |
| 307/71 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (71) series-parallel connection of sources |
| 307/72 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (72) diverse or unlike electrical characteristics |
| 307/73 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (72) diverse or unlike electrical characteristics (73) differing frequencies |
| 307/74 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (72) diverse or unlike electrical characteristics (74) differing capacities |
| 307/75 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (72) diverse or unlike electrical characteristics (75) differing voltages |
| 307/76 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (72) diverse or unlike electrical characteristics (75) differing voltages (76) generator sources |
| 307/77 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (77) series-connected sources |
| 307/78 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (77) series-connected sources (78) generator sources |
| 307/80 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (80) selective or optional sources |
| 307/81 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (80) selective or optional sources (81) predetermined sequence |
| 307/82 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (82) plural converters |
| 307/83 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (83) plural transformers |
| 307/84 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (84) plural generators |
| 307/85 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (85) connecting or disconnecting |
| 307/86 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (85) connecting or disconnecting (86) condition responsive |
| 307/87 | 307 electrical transmission or interconnection systems/(43) plural supply circuits or sources (85) connecting or disconnecting (86) condition responsive (87) attainment of voltage, frequency or phase relationship |
| 307/400 | 307 electrical transmission or interconnection systems/(400) electrets |
| 307/401 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) |
| 307/402 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (402) parametrons |
| 307/403 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (402) parametrons (403) thin film parametrons |
| 307/404 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (402) parametrons (404) using logic circuits |
| 307/405 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (402) parametrons (405) using pump energizer |
| 307/406 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (406) magnetic flip-flops |
| 307/407 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (407) logic circuits |
| 307/408 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (407) logic circuits (408) multiaperture |
| 307/409 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (407) logic circuits (409) clocking, delay or transmission line |
| 307/410 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (407) logic circuits (410) nor, not logic circuit |
| 307/411 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (407) logic circuits (411) exclusive or, and logic circuit |
| 307/412 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (412) driver circuits |
| 307/413 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (413) signal sensor (e.g., current or frequency) |
| 307/414 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (414) magnetic trigger devices |
| 307/415 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (415) magnetic switching circuits |
| 307/416 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (416) amplifiers using nonlinear reactors (i.e., magnetic amplifiers) |
| 307/417 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (416) amplifiers using nonlinear reactors (i.e., magnetic amplifiers) (417) with transistors |
| 307/418 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (416) amplifiers using nonlinear reactors (i.e., magnetic amplifiers) (418) with feedback |
| 307/419 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (419) magnetic pulse generator |
| 307/420 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (419) magnetic pulse generator (420) using multivibrator |
| 307/421 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (419) magnetic pulse generator (421) with specified output waveform |
| 307/422 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (422) multiaperture |
| 307/423 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (422) multiaperture (423) three apertures or ladder |
| 307/424 | 307 electrical transmission or interconnection systems/(401) nonlinear reactor systems (e.g., saturable) (424) parametric frequency converter |
| 307/326 | 307 electrical transmission or interconnection systems/(326) personnel safety or limit control features |
| 307/327 | 307 electrical transmission or interconnection systems/(326) personnel safety or limit control features (327) parasitic current suppression |
| 307/328 | 307 electrical transmission or interconnection systems/(326) personnel safety or limit control features (328) interlock |
| 307/89 | 307 electrical transmission or interconnection systems/(89) anti-induction or coupling to other systems |
| 307/90 | 307 electrical transmission or interconnection systems/(89) anti-induction or coupling to other systems (90) inducing current control |
| 307/91 | 307 electrical transmission or interconnection systems/(89) anti-induction or coupling to other systems (91) magnetic or electrostatic field control (e.g., shielding) |
| 307/95 | 307 electrical transmission or interconnection systems/(95) anti-electrolysis |
| 307/96 | 307 electrical transmission or interconnection systems/(96) intermittent regulatory interruption of system |
| 307/97 | 307 electrical transmission or interconnection systems/(96) intermittent regulatory interruption of system (97) condition responsive |
| 307/98 | 307 electrical transmission or interconnection systems/(98) combined impedance and switch systems |
| 307/99 | 307 electrical transmission or interconnection systems/(98) combined impedance and switch systems (99) condition responsive switch |
| 307/100 | 307 electrical transmission or interconnection systems/(100) shunting or short circuiting systems |
| 307/101 | 307 electrical transmission or interconnection systems/(101) residual or remanent magnetism control |
| 307/102 | 307 electrical transmission or interconnection systems/(102) stabilized, anti-hunting or antioscillation systems |
| 307/103 | 307 electrical transmission or interconnection systems/(103) with line drop compensation |
| 307/104 | 307 electrical transmission or interconnection systems/(104) electromagnet or highly inductive systems |
| 307/105 | 307 electrical transmission or interconnection systems/(105) with harmonic filter or neutralizer |
| 307/106 | 307 electrical transmission or interconnection systems/(106) wave form or wave shape determinative or pulse-producing systems |
| 307/107 | 307 electrical transmission or interconnection systems/(106) wave form or wave shape determinative or pulse-producing systems (107) with rectification or derectification |
| 307/108 | 307 electrical transmission or interconnection systems/(106) wave form or wave shape determinative or pulse-producing systems (108) with capacitor |
| 307/109 | 307 electrical transmission or interconnection systems/(109) capacitor |
| 307/110 | 307 electrical transmission or interconnection systems/(109) capacitor (110) parallel-charge, series-discharge (e.g., voltage doublers) |
| 307/111 | 307 electrical transmission or interconnection systems/(111) nonresponsive-to-frequency-change systems |
| 307/650 | 307 electrical transmission or interconnection systems/(650) with nonswitching means responsive to external nonelectrical condition |
| 307/651 | 307 electrical transmission or interconnection systems/(650) with nonswitching means responsive to external nonelectrical condition (651) temperature responsive |
| 307/652 | 307 electrical transmission or interconnection systems/(650) with nonswitching means responsive to external nonelectrical condition (652) responsive to approach or passage of an object |
| 307/653 | 307 electrical transmission or interconnection systems/(650) with nonswitching means responsive to external nonelectrical condition (653) flame responsive (e.g., flame acts as a rectifier in circuit) |
| 307/112 | 307 electrical transmission or interconnection systems/(112) switching systems |
| 307/113 | 307 electrical transmission or interconnection systems/(112) switching systems (113) plural switches |
| 307/114 | 307 electrical transmission or interconnection systems/(112) switching systems (113) plural switches (114) lazy-man switch type |
| 307/115 | 307 electrical transmission or interconnection systems/(112) switching systems (113) plural switches (115) selectively actuated |
| 307/116 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive |
| 307/117 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (117) light, heat, vibratory or radiant energy |
| 307/118 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (118) fluid pressure, density, level, velocity or humidity |
| 307/119 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (119) mechanical force |
| 307/120 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (119) mechanical force (120) speed, centrifugal or kinetic force |
| 307/121 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (119) mechanical force (120) speed, centrifugal or kinetic force (121) inertia or acceleration |
| 307/122 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (119) mechanical force (120) speed, centrifugal or kinetic force (122) direction of rotation |
| 307/123 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (119) mechanical force (120) speed, centrifugal or kinetic force (123) differential speed between two bodies |
| 307/124 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (119) mechanical force (120) speed, centrifugal or kinetic force (124) torque |
| 307/125 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (125) electrical |
| 307/126 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (125) electrical (126) power or energy |
| 307/127 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (125) electrical (127) polarity, phase sequence or reverse flow |
| 307/128 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (125) electrical (128) ac or dc discriminating |
| 307/129 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (125) electrical (129) frequency |
| 307/130 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (125) electrical (130) voltage |
| 307/131 | 307 electrical transmission or interconnection systems/(112) switching systems (116) condition responsive (125) electrical (131) current |
| 307/132R | 307 electrical transmission or interconnection systems/(112) switching systems (132r) repetitive make and break |
| 307/132E | 307 electrical transmission or interconnection systems/(112) switching systems (132r) repetitive make and break (132e) electronically controlled relay |
| 307/132EA | 307 electrical transmission or interconnection systems/(112) switching systems (132r) repetitive make and break (132e) electronically controlled relay (132ea) responsive to physical condition |
| 307/132T | 307 electrical transmission or interconnection systems/(112) switching systems (132r) repetitive make and break (132t) thermal relay |
| 307/132V | 307 electrical transmission or interconnection systems/(112) switching systems (132r) repetitive make and break (132v) vibrating relay |
| 307/132M | 307 electrical transmission or interconnection systems/(112) switching systems (132r) repetitive make and break (132m) miscellaneous |
| 307/134 | 307 electrical transmission or interconnection systems/(112) switching systems (134) with operation facilitating feature |
| 307/135 | 307 electrical transmission or interconnection systems/(112) switching systems (134) with operation facilitating feature (135) preliminary reduction in current or voltage of system |
| 307/137 | 307 electrical transmission or interconnection systems/(112) switching systems (134) with operation facilitating feature (137) switch contact conditioning |
| 307/138 | 307 electrical transmission or interconnection systems/(112) switching systems (134) with operation facilitating feature (137) switch contact conditioning (138) polarity reversing |
| 307/139 | 307 electrical transmission or interconnection systems/(112) switching systems (139) switch actuation |
| 307/140 | 307 electrical transmission or interconnection systems/(112) switching systems (139) switch actuation (140) power circuit controlled |
| 307/141 | 307 electrical transmission or interconnection systems/(112) switching systems (139) switch actuation (141) with time delay or retardation means |
| 307/141.4 | 307 electrical transmission or interconnection systems/(112) switching systems (139) switch actuation (141) with time delay or retardation means (141.4) electrically initiated |
| 307/141.8 | 307 electrical transmission or interconnection systems/(112) switching systems (139) switch actuation (141) with time delay or retardation means (141.8) series connected switches |
| 307/142 | 307 electrical transmission or interconnection systems/(112) switching systems (139) switch actuation (142) with locking, holding or braking means |
| 307/143 | 307 electrical transmission or interconnection systems/(112) switching systems (139) switch actuation (143) electrical actuator |
| 307/144 | 307 electrical transmission or interconnection systems/(112) switching systems (139) switch actuation (144) fluid-pressure actuator |
| 307/145 | 307 electrical transmission or interconnection systems/(145) with current collection or transfer |
| 307/146 | 307 electrical transmission or interconnection systems/(146) unidirectional conductor systems |
| 307/147 | 307 electrical transmission or interconnection systems/(147) conductor arrangements or structure |
| 307/148 | 307 electrical transmission or interconnection systems/(147) conductor arrangements or structure (148) multipart-conductor current equalization |
| 307/149 | 307 electrical transmission or interconnection systems/(149) miscellaneous systems |
| 307/150 | 307 electrical transmission or interconnection systems/(149) miscellaneous systems (150) power packs |
| 307/151 | 307 electrical transmission or interconnection systems/(149) miscellaneous systems (151) conversion systems |
| 307/152 | 307 electrical transmission or interconnection systems/(149) miscellaneous systems (152) rate of change responsive systems |
| 307/153 | 307 electrical transmission or interconnection systems/(149) miscellaneous systems (153) generator control systems |
| 307/154 | 307 electrical transmission or interconnection systems/(149) miscellaneous systems (154) for particular load device |
| 307/155 | 307 electrical transmission or interconnection systems/(149) miscellaneous systems (154) for particular load device (155) plural diverse load devices |
| 307/156 | 307 electrical transmission or interconnection systems/(149) miscellaneous systems (154) for particular load device (155) plural diverse load devices (156) structural load device combinations |
| 307/157 | 307 electrical transmission or interconnection systems/(149) miscellaneous systems (154) for particular load device (157) lamp or discharge device |
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