US PATENT SUBCLASS 222 / 354
.~.~ With relatively movable cutoff carried by trap chamber

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}
354.~.~ With relatively movable cutoff carried by trap chamber

DEFINITION

Classification: 222/354

(under subclass 344) Devices in which there is a cut-off for either or both the inlet to the trap chamber or the outlet from the trap chamber, which is carried by the trap chamber element to move therewith and also so mounted and operated as to move relative to the trap chamber element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

355, for trap chamber operated cut-offs, not carried by the trap chamber.

425+, for cut-offs associated with trap chambers other than the movable type.