US PATENT SUBCLASS 366 / 155.1
.~.~ Rotatable impeller

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.~.~ Rotatable impeller {2}
155.2  DF  .~.~.~> Having radially projecting pinlike element
156.1  DF  .~.~.~> Screw conveyor {6}

DEFINITION

Classification: 366/155.1

Rotatable impeller:

(under subclass 154.1) Subject matter wherein the agitator comprises a stirrer that agitates the material by turning about an axis.