US PATENT SUBCLASS 239 / 411
.~.~.~.~ By gas pressure

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

398  DF  COMBINING OF SEPARATELY SUPPLIED FLUIDS (I.E., PLURAL FLOW PATHS) {9}
407  DF  .~ And valving means controlling flow for combining {5}
408  DF  .~.~ By terminal ejection valve {2}
410  DF  .~.~.~ Fluid pressure operated valve (mixed or unmixed) {1}
411.~.~.~.~ By gas pressure

DEFINITION

Classification: 239/411

(under subclass 410) Apparatus in which the fluid controlling the valve is a nonliquid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87, for compression pressure operated plungers or valves for injection nozzles.

526, for liquid control valve means actuated by gas flow with a pistol type handgrip.