US PATENT SUBCLASS 209 / 605
.~.~.~.~.~ Items separated into at least three classes

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}
600  DF  .~.~ Sensor contacts item {1}
601  DF  .~.~.~ Gauge {3}
604  DF  .~.~.~.~ Sensor generates electrical signal {1}
605.~.~.~.~.~ Items separated into at least three classes

DEFINITION

Classification: 209/605

Items separated into at least three classes:

(under subclass 604) Methods and apparatus wherein items are separated into three or more classes.