US PATENT SUBCLASS 209 / 546
.~ Signalling, indicating, or display means

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}
546.~ Signalling, indicating, or display means {5}
547  DF  .~.~> Indicia associated with cards, file folders, or like coded items, or with sorting means therefor (including cards, per se, with edge coding)
548  DF  .~.~> Operation of apparatus stopped
549  DF  .~.~> Signal lamp or audible alarm
550  DF  .~.~> Indicating scale
551  DF  .~.~> Item counter

DEFINITION

Classification: 209/546

Signalling, indicating, or display means:

(under subclass 509) Methods and apparatus including a signalling, indicating, or display device by means of which an operator receives information about items being separated or about the separating apparatus itself.

(1) Note. A light source which illuminates an item so that it can be more easily inspected is not considered a display means includible herein. Cross-reference collection 938 includes such means.

SEE OR SEARCH CLASS

116, Signals and Indicators, appropriate subclasses for indicating and display apparatus, per se.

340, Communications: Electrical,

500+, for alarms, per se.