US PATENT SUBCLASS 209 / 353
.~.~.~.~ Multiple

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}
352  DF  .~.~.~ Stationary {2}
353.~.~.~.~ Multiple {2}
354  DF  .~.~.~.~.~> Stepped
355  DF  .~.~.~.~.~> Superposed {1}

DEFINITION

Classification: 209/353

(under subclass 352) Pluralities of flat stationary horizontal or inclined sifters which do not fall into the subclasses indented hereunder.