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Class Information
Number: 307/141
Name: Electrical transmission or interconnection systems > Switching systems > Switch actuation > With time delay or retardation means
Description: Subject matter having time delay or retarding means.










Sub-classes under this class:

Class Number Class Name Patents
307/141.4 Electrically initiated 178
307/141.8 Series connected switches 54


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
4163219 Remote control device for electronic apparatus Jul. 31, 1979
4151515 Load control apparatus Apr. 24, 1979
4151425 Voltage sequencing circuit for sequencing voltages to an electrical device Apr. 24, 1979
4151426 Security timer device Apr. 24, 1979
4150303 Motor speed control circuits Apr. 17, 1979
4147961 Energy-conserving solid-state-controlled illumination system Apr. 3, 1979
4147962 Energy-conserving illumination system Apr. 3, 1979
4147233 Timing circuit for a chassis lubricator Apr. 3, 1979
4145617 Control circuit for providing time selected application of A.C. power Mar. 20, 1979
4144420 Automatic light switching system Mar. 13, 1979
4140929 Air pressurizing system Feb. 20, 1979
4137463 Control system utilizing momentary switching devices Jan. 30, 1979
4134027 Control system capable of accommodating a plurality of momentary switching devices Jan. 9, 1979
4129812 Electronic timer Dec. 12, 1978
4128770 Automatically returning apparatus for turn signal lamp switch Dec. 5, 1978
4121114 Station timing selection circuit for irrigation controller Oct. 17, 1978
4113419 Burner control apparatus Sep. 12, 1978
4112313 Timer control arrangement for use with a wall switch Sep. 5, 1978
4110632 Device, method and system for controlling the supply of power to an electrical load Aug. 29, 1978
4106517 Dishwasher control system with cycle reselect Aug. 15, 1978
4107546 Fluid control system and controller and moisture sensor therefor Aug. 15, 1978
4104541 Automatic electric power switch Aug. 1, 1978
4104542 Program modification circuit for electronic appliance programmer Aug. 1, 1978
4103180 Proportional warmup timer for power line outages using stored charge for power Jul. 25, 1978
4101811 Delayed extinction control Jul. 18, 1978
4097763 Electric programmer Jun. 27, 1978
4097791 Delayed turn-on and turn-off control circuit Jun. 27, 1978
4096542 Controller for video tape recorder Jun. 20, 1978
4092505 Timer arrangement May. 30, 1978
4088862 Timer operated control circuit for a microwave oven May. 9, 1978
4084237 Electronic laundry program control apparatus Apr. 11, 1978
4084104 Electric signaling arrangement for delivery of waking signals Apr. 11, 1978
4082961 Light switch with delayed turnoff Apr. 4, 1978
4079267 Modular IC on-delay timer Mar. 14, 1978
4075506 Timing apparatus Feb. 21, 1978
4071721 Sequential controller Jan. 31, 1978
4071773 Patch cord timer Jan. 31, 1978
4070587 Energizing control system for an intermittently energized device Jan. 24, 1978
4062007 Solid-state delay timed switching circuit Dec. 6, 1977
4060736 Control system for cyclic operations Nov. 29, 1977
4052622 Child's lamp and audio device Oct. 4, 1977
4049973 Timer controlled space thermostat with battery operated timer Sep. 20, 1977
4041325 Thermostat timer Aug. 9, 1977
4038561 Children's lamp Jul. 26, 1977
4035660 Control device Jul. 12, 1977
4035661 Electronic timer Jul. 12, 1977
4025804 Microwave oven control with mechanical switch lock-out May. 24, 1977
4020358 Device system and method for controlling the supply of power to an electrical load Apr. 26, 1977
4015139 Controlled duration switch Mar. 29, 1977
4002925 Wall-mounted automatic timer and manual on-off light switch Jan. 11, 1977

1 2 3 4 5 6 7 8










 
 
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