US PATENT SUBCLASS 209 / 439
.~.~.~.~.~.~ 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 liquid treatment {3}
*  DD  .~.~ Movable bed {3}
*  DD  .~.~.~ Chutes and tables {4}
437  DF  .~.~.~.~ Reciprocating {5}
438  DF  .~.~.~.~.~ Annular {1}
439.~.~.~.~.~.~ Divergent or opposite travel

DEFINITION

Classification: 209/439

(under subclass 438) Chutes or tables on which the heaviest and the lighter constituents move in divergent or opposite directions to discharge.