US PATENT SUBCLASS 429 / 84
.~.~ Nonspill fluent electrolyte type other than gas diffusive 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}
84.~.~ Nonspill fluent electrolyte type other than gas diffusive type {1}
85  DF  .~.~.~> Weight actuated valve type

DEFINITION

Classification: 429/84

(under subclass 82) Apparatus wherein the vent contains structure functioning to prevent the spilling of the electrolyte when the apparatus is tilted, upended, or placed in a position other than that which is normal for operation.

SEE OR SEARCH CLASS

137, Fluid Handling,

43, for structure of this type of general utility.