US PATENT SUBCLASS 222 / 399
.~.~ With gas pressure supplying reservoir

Current as of: June, 1999
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222 /   HD   DISPENSING

251  DF  WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30}
394  DF  .~ Fluid pressure {9}
399.~.~ With gas pressure supplying reservoir

DEFINITION

Classification: 222/399

(under subclass 394) Dispensers having a reservoir separate from but communicating with the container whose contents are to be dispensed, which reservoir contains gas under pressure which is fed to the material container to cause dispensing.

SEE OR SEARCH CLASS

137, Fluid Handling,

209+, for gas maintenance or application in gas storage over or displacement of liquid in a diverse fluid containing pressure system.