US PATENT SUBCLASS 222 / 436
.~.~.~ Trap chambers in series

Current as of: June, 1999
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222 /   HD   DISPENSING

424.5  DF  SUPPLY CONTAINERS WITH TRAPS {3}
425  DF  .~ With trap chamber cutoffs {11}
434  DF  .~.~ With discharge volume varying means {4}
436.~.~.~ Trap chambers in series

DEFINITION

Classification: 222/436

(under subclass 434) Dispensers having plural trap chambers in series with provision for dispensing from one or more of the series to vary the volume discharged.

(1) Note. The traps may be constituted by a series of cutoffs in a passage of more or less uniform size.

SEE OR SEARCH THIS CLASS, SUBCLASS:

284, for trap chambers in series where there is also a discharge assistant.