US PATENT SUBCLASS 429 / 227
.~.~.~.~ Metal sulphate or carbonate


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}
209  DF  .~ Electrode {7}
218.1  DF  .~.~ Chemically specified inorganic electrochemically active material containing {16}
225  DF  .~.~.~ Lead component is active material {3}
227.~.~.~.~ Metal sulphate or carbonate


DEFINITION

Classification: 429/227

(under subclass 225) Apparatus in the form of either lead sulphate or lead carbonate.