US PATENT SUBCLASS 361 / 35
.~ Transformer protection

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.~ Transformer protection {3}
36  DF  .~.~> With differential sensing means
37  DF  .~.~> With temperature or pressure sensing means
38  DF  .~.~> Transformer with structurally combined protective device {3}

DEFINITION

Classification: 361/35

Transformer protection:

(under subclass 1) Subject matter comprising means for preventing damage to a transformer.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems,

215, 247, 301, 305, 328, and 355 for transformer systems.

336, Inductor Devices, for transformer, per se.

340, Communication: Electrical,

646, for transformer condition responsive indicating means.