US PATENT SUBCLASS 340 / 649
.~.~.~ Condition of intentional grounding circuit

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
635  DF  .~.~ Condition of electrical apparatus {15}
649.~.~.~ Condition of intentional grounding circuit

DEFINITION

Classification: 340/649

Condition of intentional grounding circuit:

(under subclass 635) Subject matter where the monitored device is an intentional grounding circuit, (i.e., a protective ground).

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

500+, for circuit fault testing.

361, Electricity: Electrical Systems and Devices,

42+, for ground fault protection systems.