US PATENT SUBCLASS 429 / 57
SEALED CELL HAVING GAS PREVENTION OR ELIMATION MEANS

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

57SEALED CELL HAVING GAS PREVENTION OR ELIMATION MEANS {2}
58  DF  .~> Prevention means controlling an auxiliary device
59  DF  .~> Prevention or elimination means is one of the cell electrodes or is electrically connected to an electrode {1}

DEFINITION

Classification: 429/57

(under the class definition) Apparatus wherein the device is completely closed and has means within the same for preventing formation of or eliminating gas pressure.