US PATENT SUBCLASS 209 / 361
.~.~.~ 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}
359  DF  .~.~ Vertical {2}
361.~.~.~ Rotating

DEFINITION

Classification: 209/361

(under subclass 359) Flat vertical sifters rotating on horizontal axes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

672, for rotating disc-type sizing separation of special items.

SEE OR SEARCH CLASS

171, Unearthing Plants or Buried Objects,

70, 97, 112, 115, and 132 for sifting wheel-type rotary separators which are disposed in a vertical plane and adapted to rotate about a horizontal axis. 241, Solid Material Comminution or Disintegration,

70+, for rotary drum comminutors having a screen as a partition therein or as an end wall.