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Class Information
Number: 200/263
Name: Electricity: circuit makers and breakers > Electric switch details > Contact > Material > Cooperating contacts of different material
Description: Subject matter, wherein the material of each of the cooperating contacts (i.e., a contact which abuts or slides against and relative to another contact) is different.

Patents under this class:

Patent Number Title Of Patent Date Issued
6936780 Protected switch and techniques to manufacture the same Aug. 30, 2005
6825428 Protected switch and techniques to manufacture the same Nov. 30, 2004
6770828 System and method for electrical contacts and connections in switches and relays Aug. 3, 2004
6246020 Micro switch having silver containing contacts Jun. 12, 2001
6156982 Low current high temperature switch contacts Dec. 5, 2000
6072138 Sliding switch contact structure Jun. 6, 2000
5712611 Electrical switch having a stationary contact of a bimetallic material Jan. 27, 1998
4777378 Information handling and control systems, manually operable electrical switches for use in such systems, and methods of testing such switches in such systems Oct. 11, 1988
4630359 Method of making mercury containing reed switches Dec. 23, 1986
4409295 Electrical connector material Oct. 11, 1983
4408110 Aluminum electrical contacts and method of making same Oct. 4, 1983
4388557 High intensity discharge lamp including arc extinguishing means Jun. 14, 1983
4378479 Permanent current switch for short circuiting a superconducting magnet Mar. 29, 1983
4360411 Aluminum electrical contacts and method of making same Nov. 23, 1982
4348566 Rhodium electrical contact of a switch particularly a reed switch Sep. 7, 1982
4180715 Vital movable electricl contact arrangement Dec. 25, 1979
4066859 Mercury wettable contact assembly Jan. 3, 1978
4028513 Steel arcing contact for circuit breaker Jun. 7, 1977

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