US PATENT SUBCLASS 141 / 53
.~.~ With receiver vent to measuring trap


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}
52  DF  .~ With separate storage of gas displaced from receiver {1}
53.~.~ With receiver vent to measuring trap


DEFINITION

Classification: 141/53

(under subclass 52) Apparatus in which the pressure in the receiver is relieved to a material handling trap for the contents material.

SEE OR SEARCH CLASS

222, Dispensing,

332, for discharge assistant type dispensers with vent passage for movable trap chamber and subclass 442 for dispensers having a stationary trap with a vent passage.