US PATENT SUBCLASS 209 / 634
.~.~.~ Including separation effected by item of particular size passing through gauging aperture in wall (e.g., perforated panel, etc.)

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

509  DF  SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS {11}
606  DF  .~ Separating means {33}
629  DF  .~.~ Diverse {5}
634.~.~.~ Including separation effected by item of particular size passing through gauging aperture in wall (e.g., perforated panel, etc.)

DEFINITION

Classification: 209/634

Including separation effected by item of particular size passing through gauging aperture in wall (e.g., perforated panel, etc.):

(under subclass 629) Methods and apparatus including separation effected by movement of an item of sufficiently small size through an aperture in a wall.