US PATENT SUBCLASS 174 / 258
.~.~.~ Insulating

Current as of: June, 1999
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174 /   HD   ELECTRICITY: CONDUCTORS AND INSULATORS

68.1  DF  CONDUITS, CABLES OR CONDUCTORS {15}
250  DF  .~ Preformed panel circuit arrangement (e.g., printed circuit) {9}
256  DF  .~.~ With particular material {3}
258.~.~.~ Insulating

DEFINITION

Classification: 174/258

Insulating:

(under subclass 256) Subject matter including a material on or through which essentially no electrical current will flow.