US PATENT SUBCLASS 239 / 322
.~.~.~ Fluid pressure actuated

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

302  DF  INCLUDING SUPPLY HOLDER FOR MATERIAL {15}
320  DF  .~ Follower in holder {3}
321  DF  .~.~ Floating or biased piston {1}
322.~.~.~ Fluid pressure actuated

DEFINITION

Classification: 239/322

(under subclass 321) Apparatus in which the follower is moved by a nonsolid means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

313, for follower type feed means in juxtaposition with the stream egress means.

355, for sprayers having a pressure reducer and a holder carried gas pump.

SEE OR SEARCH CLASS

222, Dispensing, 389, for fluid pressure actuated followers.