US PATENT SUBCLASS 239 / 573
.~ And fluid to gas expansion effecting means (e.g., aerosal type)

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

569  DF  INCLUDING VALVE MEANS IN FLOW LINE {11}
573.~ And fluid to gas expansion effecting means (e.g., aerosal type)

DEFINITION

Classification: 239/573

(under subclass 569) Apparatus comprising a means defining a chamber-like element along the egress route or a fluid conductor of increasing cross-section for the effluent to permit reduction of pressure and expansion of a liquid to a gaseous or vapor state.