US PATENT SUBCLASS 200 / 263
.~.~.~ Cooperating contacts of different material

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

237  DF  ELECTRIC SWITCH DETAILS {5}
238  DF  .~ Contact {17}
262  DF  .~.~ Material {8}
263.~.~.~ Cooperating contacts of different material

DEFINITION

Classification: 200/263

(under subclass 262) 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.