US PATENT SUBCLASS 141 / 303
.~.~.~ Float operated vent cut-off

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

285  DF  MULTIPLE PASSAGE FILLING MEANS FOR DIVERSE MATERIALS OR FLOWS {10}
301  DF  .~ With valve {3}
302  DF  .~.~ Plural valved passages {4}
303.~.~.~ Float operated vent cut-off

DEFINITION

Classification: 141/303

(under subclass 302) Filling devices in which one of the passages is openable to the ambient atmosphere and in which the flow cut-off means therefor is controlled by a buoyant element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

42+, for filling means controlled by gas condition in a

receiver wherein a vacuum line is cut off by a float valve means.

SEE OR SEARCH CLASS

137, Fluid Handling,

202, for float-operated discriminating valves for the release of gas from a diverse fluid containing pressure system. 222, Dispensing,

69, for float controlled cut-off for dispenser vent.