US PATENT SUBCLASS 340 / 664
.~.~.~ Current

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
657  DF  .~.~ Electrical characteristic {4}
664.~.~.~ Current

DEFINITION

Classification: 340/664

Current:

(under subclass 657) Subject matter where the sensed characteristic is the rate of flow of electrical charge with respect to time.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

76.11+, for current measurement and testing absent a significant tangible environment, and particularly subclass 133 for a nonquantitative indication.