US PATENT SUBCLASS 324 / 553
.~.~.~ Oil

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

500  DF  FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS {10}
537  DF  .~ Of individual circuit component or element {17}
551  DF  .~.~ Insulation {3}
553.~.~.~ Oil

DEFINITION

Classification: 324/553

Oil:

(under subclass 551) Subject matter wherein the insulating qualities of an oil used in electrical equipment is tested.

SEE OR SEARCH THIS CLASS, SUBCLASS:

547, for transformers where insulating oils are used.

548, for capacitors where insulating oils are used.