US PATENT SUBCLASS 222 / 642
.~.~ Of discharge assistant

Current as of: June, 1999
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222 /   HD   DISPENSING

638  DF  INCLUDING TIMER {4}
639  DF  .~ For timing dispensing period {3}
642.~.~ Of discharge assistant {1}
643  DF  .~.~.~> Rotary

DEFINITION

Classification: 222/642

Of discharge assistant:

(under subclass 639) Dispenser including means to limit the period of operation of a device which acts to move, or tends to cause movement of, material toward, or through a container outlet.