US PATENT SUBCLASS 335 / 246
.~.~.~.~ Plural winding type

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

209  DF  MAGNETS AND ELECTROMAGNETS {10}
220  DF  .~ With magneto-mechanical motive device (e.g., electromagnet with armature) {21}
243  DF  .~.~ Alternating current type {5}
244  DF  .~.~.~ Flux phase displacement or varying means {2}
246.~.~.~.~ Plural winding type

DEFINITION

Classification: 335/246

(under subclass 244) Subject matter having plural windings in the electromagnet and having means to apply current of different phase to the different windings.

SEE OR SEARCH THIS CLASS, SUBCLASS:

8, for polyphase type automatic circuit interrupters.

102, for alternating current switches of the polyphase type.