US PATENT SUBCLASS 340 / 650
.~.~.~ Undesired circuit ground or short

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}
635  DF  .~.~ Condition of electrical apparatus {15}
650.~.~.~ Undesired circuit ground or short {1}
651  DF  .~.~.~.~> For plural circuit conductors

DEFINITION

Classification: 340/650

Undesired circuit ground or short:

(under subclass 635) Subject matter where the condition monitored is an unwanted grounding or short circuiting of a power or signal conductor.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

509+, for circuit grounding detectors that are used for occasional testing as distinguished from continuously monitoring for an alarm condition.