US PATENT SUBCLASS 335 / 241
.~.~.~ Auxiliary control coil

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}
239  DF  .~.~ With time delay armature-movement control means {3}
241.~.~.~ Auxiliary control coil

DEFINITION

Classification: 335/241

(under subclass 239) Subject matter wherein an auxiliary control coil or magnet is used to provide the time delay.

SEE OR SEARCH THIS CLASS, SUBCLASS:

63, for switches with magnetic or electromagnetically actuated delay means.