US PATENT SUBCLASS 209 / 297
.~.~.~.~.~.~ Attached

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

233  DF  SIFTING {16}
*  DD  .~ Drum sifters {2}
*  DD  .~.~ Horizontal and inclined {4}
288  DF  .~.~.~ Rotating {3}
293  DF  .~.~.~.~ With agitators and conveyors {3}
296  DF  .~.~.~.~.~ Rotating {2}
297.~.~.~.~.~.~ Attached

DEFINITION

Classification: 209/297

(under subclass 296) Rotating cylindrical or drum sifters mounted on horizontal or inclined axes and provided with agitating means attached to the walls of the sifter and moving therewith.

SEE OR SEARCH THIS CLASS, SUBCLASS:

392+, for structures in which the sifting passages of the sifters are formed.