US PATENT SUBCLASS 200 / 262
.~.~ 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.~.~ Material {8}
263  DF  .~.~.~> Cooperating contacts of different material
264  DF  .~.~.~> Infiltrated porous substance
265  DF  .~.~.~> Compositions
266  DF  .~.~.~> Alloys
267  DF  .~.~.~> One layer (i.e., additional to its mounting)
268  DF  .~.~.~> Two layers
269  DF  .~.~.~> Three layers or more
270  DF  .~.~.~> Elements

DEFINITION

Classification: 200/262

(under subclass 238) Subject matter, wherein the contact is specific to the material therein.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

544+, for a metallic contact claimed nominally, that is, of some, but insufficient structural detail for limitation as an element in a circuit maker or breaker.