US PATENT SUBCLASS 209 / 411
.~.~.~ Rim

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

233  DF  SIFTING {16}
363  DF  .~ Elements {7}
409  DF  .~.~ Supports {7}
411.~.~.~ Rim

DEFINITION

Classification: 209/411

(under subclass 409) Devices or means which are applied to or bearing on the rims or peripheries of drum sifters to support the same.

(1) Note. The appropriate sifting subclasses which include rotating sifters should be searched.