US PATENT SUBCLASS 361 / 36
.~.~ With differential sensing means

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}
35  DF  .~ Transformer protection {3}
36.~.~ With differential sensing means

DEFINITION

Classification: 361/36

With differential sensing means:

(under subclass 35) Subject matter including means which compare the electrical quantities entering and leaving the transformer.

SEE OR SEARCH THIS CLASS, SUBCLASS:

60, for differential voltage comparison across the circuit interrupting means.

78, for specific quantity comparison means.