US PATENT SUBCLASS 239 / 337
.~ Fluid pressure discharge means

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

302  DF  INCLUDING SUPPLY HOLDER FOR MATERIAL {15}
337.~ Fluid pressure discharge means {5}
338  DF  .~.~> Material atomized in holder (e.g., nebulizer)
339  DF  .~.~> Liquid inlet port to submerged gas tube
340  DF  .~.~> Pressure reducer at holder outlet {16}
372  DF  .~.~> Gas passage from gas space in holder through fluid outlet means
373  DF  .~.~> Means to pressurize contents of holder

DEFINITION

Classification: 239/337

(under subclass 302) Apparatus in which discharge of the material is by (1) a nonsolid pressure means acting directly on the material, or (2) a pressure drop effected between the material in the eduction tube in the receptacle and the receptacle outlet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

310+, for holders for material to be mixed, dissolved or entrained in a flowing liquid stream.

573, for the valve means in a fluid to gas expansion effecting means in aerosol type sprayers.