US PATENT SUBCLASS 335 / 250
.~.~.~ Coil construction or mounting means

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}
250.~.~.~ Coil construction or mounting means

DEFINITION

Classification: 335/250

(under subclass 243) Subject matter including significant details of the alternating current coil construction or coil mounting means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

282, for coil structure or material for electromagnet and armature not specially constructed for operation by alternating current.

299+, for coil structure or material in general.