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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
4406953 Timer switch Sep. 27, 1983
4400699 Program selection apparatus Aug. 23, 1983
4390794 Circuit arrangement for controlling the switch-on of supply voltage Jun. 28, 1983
4389599 Light switch delay circuit Jun. 21, 1983
4379237 Light intensity control device and circuit therefor Apr. 5, 1983
4378503 Automotive backlight heater and timing control means Mar. 29, 1983
4371791 Time delay switch Feb. 1, 1983
4370565 Timed electric switch Jan. 25, 1983
4370566 Appliance control system Jan. 25, 1983
4365167 Switchover system for binary load control Dec. 21, 1982
4364655 Photographic darkroom control system with timing means Dec. 21, 1982
4362953 Electronically regulated electromechanical appliance control Dec. 7, 1982
4356863 Temperature control for preheating a crude oil feedstock Nov. 2, 1982
4355218 Presettable index mechanism for selectively actuatable timer Oct. 19, 1982
4354120 Daily variability timer Oct. 12, 1982
4347444 Automotive backlight heater and timing control means Aug. 31, 1982
4345233 Manual switch with timed electro-thermal latch release Aug. 17, 1982
4344000 Power circuit control programmable timer Aug. 10, 1982
4339696 Light switch delay circuit Jul. 13, 1982
4338562 Load control circuit with timed interruption Jul. 6, 1982
4320310 Automatic control system including a programmable memory with manually insertable jumpers Mar. 16, 1982
4307303 Cyclic electric time switch means Dec. 22, 1981
4292570 Energy-conserving illumination system Sep. 29, 1981
4287395 Timer with reversible motor Sep. 1, 1981
4283635 Load demand control system Aug. 11, 1981
4282445 Circuit arrangement for a window-cleaning installation of motor vehicles Aug. 4, 1981
4277693 Apparatus for providing a time controlled output Jul. 7, 1981
4276483 Timed electric switch Jun. 30, 1981
4267467 Timer circuit May. 12, 1981
4259594 Electrical power supply apparatus Mar. 31, 1981
4254460 Programmable controller Mar. 3, 1981
4246495 Television monitor and control Jan. 20, 1981
4243970 Open circuit alarm Jan. 6, 1981
4241400 Microprocessor based control circuit for washing appliances Dec. 23, 1980
4224530 Time to go and diagnostic display for electronic sequence type appliance controller Sep. 23, 1980
4222037 Cooking cycle timer Sep. 9, 1980
4219741 Random timer apparatus Aug. 26, 1980
4213562 Programmer Jul. 22, 1980
4213058 Load shedding timer for a power management system Jul. 15, 1980
4213063 Room occupancy power programmer Jul. 15, 1980
4210824 Timer controlled control system and timer construction therefor Jul. 1, 1980
4209728 Outdoor lighting system and method Jun. 24, 1980
4207501 Lamp control circuit using heater/thermistor time delay Jun. 10, 1980
RE30295 Controlled duration switch Jun. 3, 1980
4204128 Adjustable time delay relay May. 20, 1980
4201926 Electronic circuit for use in a variety of engine control systems May. 6, 1980
4186550 Programmer for electric household appliances Feb. 5, 1980
4177407 Electronic votive lights Dec. 4, 1979
4171572 Light control apparatus for a dental handpiece Oct. 23, 1979
4164665 Manually programmable storage device Aug. 14, 1979

1 2 3 4 5 6 7 8










 
 
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