US PATENT SUBCLASS 209 / 277
.~.~.~.~ Reciprocating

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

233  DF  SIFTING {16}
274  DF  .~ Concave and convex sifters {3}
275  DF  .~.~ Reciprocating {1}
276  DF  .~.~.~ With agitators {2}
277.~.~.~.~ Reciprocating

DEFINITION

Classification: 209/277

(under subclass 276) Reciprocating convex or concave sifters wherein reciprocating agitators are employed with reciprocating sifters which are curved in concave or convex forms on the material-receiving surfaces.

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357, for stationary, horizontal or inclined plane sifter with reciprocating agitators.

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460, Crop Threshing or Separating,

85+, for rake type straw carriers for grain separators.