US PATENT SUBCLASS 209 / 414
.~.~.~.~ Knockdown

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

233  DF  SIFTING {16}
363  DF  .~ Elements {7}
409  DF  .~.~ Supports {7}
412  DF  .~.~.~ Framework {2}
414.~.~.~.~ Knockdown

DEFINITION

Classification: 209/414

(under subclass 412) Frameworks or structures for supporting sifters or frames carrying sifting elements which are adapted to be taken apart and reassembled at will.