US PATENT SUBCLASS 429 / 254
.~.~.~ Rubber or thermoplastic resin

Current as of: June, 1999
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429 /   HD   CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS

122  DF  CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS {16}
247  DF  .~ Separator, retainer, spacer or materials for use therewith {2}
249  DF  .~.~ Organic material {5}
254.~.~.~ Rubber or thermoplastic resin

DEFINITION

Classification: 429/254

(under subclass 249) Apparatus wherein the organic component is rubber (natural or synthetic) or a thermoplastic.