US PATENT SUBCLASS 222 / 258
.~.~.~.~ Utilizing fluid pressure and/or motor

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
257  DF  .~.~.~ Interconnected with movable nozzle {2}
258.~.~.~.~ Utilizing fluid pressure and/or motor

DEFINITION

Classification: 222/258

(under subclass 257) Dispensers which utilize either fluid under pressure or a motor to operate either or both the follower or impeller.

(1) Note. The motor may be of any type including those operated by fluid pressure and may directly operate the discharge assistants or it may operate devices which develop fluid pressure which in turn operates to apply pressure to the discharge assistant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

261, through 263, for other combinations of plural discharge assistants with motors or utilizing fluids under pressure.

333+, and the notes thereto, for other motor combinations.

394+, and the notes thereto, for other fluid pressure combinations.