US PATENT SUBCLASS 429 / 28
.~.~ Envelope cathode-type or subcombination thereof

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

12  DF  FUEL CELL, SUBCOMBINATION THEREOF OR METHODS OF OPERATING {10}
27  DF  .~ Active material electrode-type cell or subcombination thereof {2}
28.~.~ Envelope cathode-type or subcombination thereof

DEFINITION

Classification: 429/28

(under subclass 27) Apparatus wherein the cathode surrounds or envelopes the anode and subcombinations thereof.