US PATENT SUBCLASS 222 / 275
.~.~.~ Reciprocating (including oscillating)

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}
252  DF  .~ Plural {9}
265  DF  .~.~ In sets {6}
275.~.~.~ Reciprocating (including oscillating) {1}
276  DF  .~.~.~.~> Unitary {1}

DEFINITION

Classification: 222/275

(under subclass 265) Dispensers in which the discharge assistants reciprocate (including oscillate).

SEE OR SEARCH THIS CLASS, SUBCLASS:

243+, for serially arranged devices, the first being an agitator, all having such motion.

361+, for conveyor type or movable trap chambers having such motion.

409, for miscellaneous discharge assistants having such motion.