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Class Information
Number: 335/242
Name: Electricity: magnetically operated switches, magnets, and electromagnets > Magnets and electromagnets > With magneto-mechanical motive device (e.g., electromagnet with armature) > With time delay armature-movement control means > With plural armatures selectively retarded
Description: Subject matter including plural armatures with time delay means for delaying different armatures at different time intervals.










Patents under this class:

Patent Number Title Of Patent Date Issued
5982259 Contactor and controller for a contactor Nov. 9, 1999
5933063 Ground fault circuit interrupter Aug. 3, 1999
5710532 Solenoid with movement dampener Jan. 20, 1998
5543766 Operating device for a circuit breaker Aug. 6, 1996
5402092 Electro-magnetic device Mar. 28, 1995
5276420 Electromagnetic actuating device incorporated in a remote control unit Jan. 4, 1994
5017901 Controller for a movable member May. 21, 1991











 
 
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