US PATENT SUBCLASS 209 / 584
.~.~.~.~.~ On mail


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}
576  DF  .~.~ Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct thereof {3}
577  DF  .~.~.~ Infrared, visible light, or ultraviolet {8}
583  DF  .~.~.~.~ Reading indicia {1}
584.~.~.~.~.~ On mail


DEFINITION

Classification: 209/584

On mail:

(under subclass 583) Methods and apparatus for reading indicia on mail.