US PATENT SUBCLASS 209 / 554
.~.~ Sorting cards or sheets coded by perforation

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}
552  DF  .~ Condition responsive means controls separating means {13}
554.~.~ Sorting cards or sheets coded by perforation

DEFINITION

Classification: 209/554

Sorting cards or sheets coded by perforation:

(under subclass 552) Methods and apparatus for separating cards or sheets coded by means of holes formed therein.