US PATENT SUBCLASS 141 / 60
.~.~ Receiver coupling comprises movable pump element

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

37  DF  DIVERSE FLUID CONTAINING PRESSURE FILLING SYSTEMS INVOLVING RECEIVER GAS CONTENT MODIFICATION {11}
59  DF  .~ Filling with exhausting the receiver {2}
60.~.~ Receiver coupling comprises movable pump element

DEFINITION

Classification: 141/60

(under subclass 59) Apparatus in which the means for joining the receiver to the said apparatus includes a movable displacement means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

117, for means comprising an expanding chamber in a disengaged head to reverse the flow for drip prevention or overfill removal.