US PATENT SUBCLASS 429 / 73
.~ Single filling opening and means to equalize fluid level in plural cells

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}
73.~ Single filling opening and means to equalize fluid level in plural cells

DEFINITION

Classification: 429/73

(under subclass 72) Apparatus having one filling opening and structure functioning to equalize the liquid level in all sections of the battery.