US PATENT SUBCLASS 222 / 405
.~ Discharge of material from top of supply

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}
405.~ Discharge of material from top of supply

DEFINITION

Classification: 222/405

(under subclass 251) Dispensers having a discharge assistant which promotes discharge of the material that is uppermost in the supply container.