US PATENT SUBCLASS 442 / 292
.~.~ Polyimide sheet or film

Current as of: June, 1999
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442 /   HD   FABRIC (WOVEN, KNITTED, OR NONWOVEN TEXTILE OR CLOTH, ETC.)

181  DF  WOVEN FABRIC (I.E., WOVEN STRAND OR STRIP MATERIAL) {13}
286  DF  .~ Woven fabric with a preformed polymeric film or sheet {8}
292.~.~ Polyimide sheet or film

DEFINITION

Classification: 442/292

Polyimide sheet or film:

(under subclass 286) Subject matter wherein the preformed polymeric film or sheet is a polyimide.