US PATENT SUBCLASS 209 / 299
.~.~.~.~ Lifters and beaters

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

233  DF  SIFTING {16}
*  DD  .~ Drum sifters {2}
*  DD  .~.~ Horizontal and inclined {4}
288  DF  .~.~.~ Rotating {3}
299.~.~.~.~ Lifters and beaters

DEFINITION

Classification: 209/299

(under subclass 288) Rotating cylindrical or drum sifters having horizontal or inclined axes and associated with devices for lifting and dropping material within the sifter and means for beating the material so lifted and dropped.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

603+, and 608 for a moving perforated surface and a cylindrical or conical perforated enclosure that encloses a rotating hulling element.

460, Crop Threshing or Separating,

123+, for vine and seed strippers.