US PATENT SUBCLASS 222 / 365
.~.~.~ Plural concentric enlargements on stem

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}
344  DF  .~ Movable or conveyer-type trap chamber {9}
361  DF  .~.~ Reciprocating (including oscillating) conveyer-type trap chamber {3}
365.~.~.~ Plural concentric enlargements on stem

DEFINITION

Classification: 222/365

(under subclass 361) Dispensers having the trap forming members consisting of a stem connecting the central portions of bodies capable of filling the chamber to close off the material holding part.

SEE OR SEARCH THIS CLASS, SUBCLASS:

453, for stems having cut-off enlargements thereon which do not function to convey (shift) the material.

476, for spaced alternately seated cut-offs for a single outlet.