US PATENT SUBCLASS 366 / 158.4
.~.~.~.~ Including upstream agitator

Current as of: June, 1999
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366 /   HD   AGITATING

150.1  DF  HAVING SPECIFIED FEED MEANS {16}
154.1  DF  .~ Agitation of material in feeder or supply reservoir {3}
155.1  DF  .~.~ Rotatable impeller {2}
156.1  DF  .~.~.~ Screw conveyor {6}
158.4.~.~.~.~ Including upstream agitator

DEFINITION

Classification: 366/158.4

Including upstream agitator:

(under subclass 156.1) Subject matter including an agitator upstream of the helical blade in the direction of flow of material in the feed means.