US PATENT SUBCLASS 335 / 268
.~.~.~ Coils or magnets being separately or selectively controllable

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}
266  DF  .~.~ Plural coils or magnets control armature movement {2}
268.~.~.~ Coils or magnets being separately or selectively controllable

DEFINITION

Classification: 335/268

(under subclass 266) Subject matter wherein the plural coils of the electromagnet can be energized independently of each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

107+, for multiple contact switches with the contacts being selectively actuated.

256, for electromagnets with plural coils and single plunger type armature.