US PATENT SUBCLASS 239 / 330
.~.~ Diaphragm and flexible wall gas pump combined

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

302  DF  INCLUDING SUPPLY HOLDER FOR MATERIAL {15}
329  DF  .~ Moving solid surface engages material to be sprayed {2}
330.~.~ Diaphragm and flexible wall gas pump combined

DEFINITION

Classification: 239/330

(under subclass 329) Apparatus in which the solid member is a resilient flap or hinged disc type of liquid mover which is caused to move by gas pressure issuing from a flexible wall pump intimately related thereto.