US PATENT SUBCLASS 222 / 261
.~.~.~.~ Utilizing fluid pressure and/or motor

Current as of: June, 1999
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222 /   HD   DISPENSING

251  DF  WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30}
252  DF  .~ Plural {9}
256  DF  .~.~ Follower combined with casing enclosed impeller {3}
260  DF  .~.~.~ Follower and impeller coaxial or parallel and interconnected {1}
261.~.~.~.~ Utilizing fluid pressure and/or motor

DEFINITION

Classification: 222/261

(under subclass 260) Dispensers which utilize either fluid under pressure or a motor to operate either or both the follower or impeller.

SEE OR SEARCH THIS CLASS, SUBCLASS:

258, and see the notes to the definition therof for related subject matter.