US PATENT SUBCLASS 209 / 309
.~.~.~ Reciprocating and rotating

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

233  DF  SIFTING {16}
*  DD  .~ Plane sifters {2}
*  DD  .~.~ Horizontal and inclined {4}
309.~.~.~ Reciprocating and rotating

DEFINITION

Classification: 209/309

(under subclass 233) Flat horizontal or inclined sifters having both a shaking and a rotating motion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

274, for sifters having a concave or convex material receiving surface.