US PATENT SUBCLASS 222 / 284
.~.~ Trap chambers in series

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}
282  DF  .~ With discharge volume varying means {12}
284.~.~ Trap chambers in series

DEFINITION

Classification: 222/284

(under subclass 282) Dispensers having a plurality of conveyor type or movable trap chambers, usually joined, so arranged that discharge can be terminated after any desired number have been discharged. Endless and drum types are included when provided with detent means to check movement after a variable number of chambers have been discharged.

SEE OR SEARCH THIS CLASS, SUBCLASS:

436, for nonmovable trap chambers in series for discharge volume varying.