US PATENT SUBCLASS 405 / 59
.~.~ Supply or recovery of stored fluid by separate fluid

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

52  DF  FLUID CONTROL, TREATMENT, OR CONTAINMENT {7}
53  DF  .~ Fluid storage in earthen cavity {3}
59.~.~ Supply or recovery of stored fluid by separate fluid

DEFINITION

Classification: 405/59

Supply or recovery of stored fluid by separate fluid:

(under subclass 53) Method or apparatus wherein the storage fluid is discharged from or admitted to the reservoir or storage chamber by the addition or removal of a second fluid.

SEE OR SEARCH CLASS

222, Dispensing,

394+, for dispensing apparatus employing a pressure fluid to dispense another fluid from a supply.