US PATENT SUBCLASS 429 / 255
.~.~.~ Natural or treated plant materials

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}
255.~.~.~ Natural or treated plant materials

DEFINITION

Classification: 429/255

(under subclass 249) Apparatus wherein the organic component is either a portion (in cross section) of a natural plant or a portion of a natural plant which has been nondestructively treated.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles, appropriate subclasses for stock material made of natural plant material not otherwise provided for.