US PATENT SUBCLASS 209 / 556
.~.~.~ Diverse electrical tests

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}
555  DF  .~.~ Diverse {3}
556.~.~.~ Diverse electrical tests

DEFINITION

Classification: 209/556

Diverse electrical tests:

(under subclass 555) Methods and apparatus including diverse electrical tests for sensing at least one condition of an item, e.g., a test of the capacitance of an item to measure thickness of a wall thereof and a test of the resistance of the item to measure its structural continuity.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing, appropriate subclasses for miscellaneous electrical testing.