US PATENT SUBCLASS 222 / 407
.~.~ Biased

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}
406  DF  .~ Deformable discharging elements {1}
407.~.~ Biased

DEFINITION

Classification: 222/407

(under subclass 406) Dispensers having the deformable elements urged by their own resilience or by spring or other means to normal or undistorted position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

336+, for biasing means which actuate discharge assistants toward either discharging or nondischarging position.