US PATENT SUBCLASS 361 / 97
.~.~.~ With multiple timing characteristics

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

1  DF  SAFETY AND PROTECTION OF SYSTEMS AND DEVICES {32}
93.1  DF  .~ With specific current responsive fault sensor {11}
94  DF  .~.~ With time delay protective means {4}
97.~.~.~ With multiple timing characteristics

DEFINITION

Classification: 361/97

With multiple timing characteristics:

(under subclass 94) Subject matter wherein the protective means is activated after a short, long, intermediate, etc., time delay depending on the magnitude of the fault sensed.