US PATENT SUBCLASS 222 / 305
.~.~ Movable or conveyer-type trap chamber with capacity varying means


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}
305.~.~ Movable or conveyer-type trap chamber with capacity varying means {2}
306  DF  .~.~.~> Single inlet-outlet, adjustable bottom
307  DF  .~.~.~> Wall with straight line movements {1}


DEFINITION

Classification: 222/305

(under subclass 282) Dispensers having means for varying either the actual or the effective capacity of material traps of the conveyor or movable chamber type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

344+, for conveyor type or movable trap chambers not having volume adjusting means.