US PATENT SUBCLASS 200 / 270
.~.~.~ Elements

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}
270.~.~.~ Elements

DEFINITION

Classification: 200/270

(under subclass 262) Subject matter, wherein the contact material constitutes an element of the periodic table. There may be more than one element, however they must be individual elements, not chemically combined.