US PATENT SUBCLASS 209 / 388
.~.~.~.~.~ Brush

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

233  DF  SIFTING {16}
363  DF  .~ Elements {7}
379  DF  .~.~ Clearers {4}
385  DF  .~.~.~ Wipers {3}
387  DF  .~.~.~.~ Reciprocating {1}
388.~.~.~.~.~ Brush

DEFINITION

Classification: 209/388

(under subclass 387) Devices wherein reciprocating brushes wipe the surfaces of sifters to keep the sifting passages open.

(1) Note. The preceding sifter with reciprocating agitator subclasses should be searched.

SEE OR SEARCH CLASS

55, Gas Separation,

296+, for devices such as wipers or brushes having relative traversing motion with respect to the separator to clear it of residue and see other related subjects in subclasses

282+.