US PATENT SUBCLASS 209 / 476
.~.~.~.~.~ Divergent or opposite travel

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

422  DF  STRATIFIERS {6}
*  DD  .~ With pneumatic treatment {3}
*  DD  .~.~ Stationary bed {1}
*  DD  .~.~.~ Permeable {2}
475  DF  .~.~.~.~ With pulsating current {1}
476.~.~.~.~.~ Divergent or opposite travel

DEFINITION

Classification: 209/476

(under subclass 475) Apparatus in which the heaviest and

lighter constituents move in divergent or opposite directions toward discharge.