US PATENT SUBCLASS 429 / 87
.~.~ Gang type

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

72  DF  HAVING SPECIFIED VENTING, FEEDING OR CIRCULATION STRUCTURE (OTHER THAN FEEDING OR FILLING FOR ACTIVATING DEFERRED ACTION-TYPE BATTERY) {5}
82  DF  .~ Venting structure {5}
87.~.~ Gang type {1}
88  DF  .~.~.~> Having manifold

DEFINITION

Classification: 429/87

(under subclass 82) Apparatus wherein the plural vents have a community feature.

SEE OR SEARCH THIS CLASS, SUBCLASS:

71, wherein means are provided to remove from or supply a fluid to plural vents.