US PATENT SUBCLASS 335 / 225
.~.~.~.~ Rotating disk

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}
223  DF  .~.~ With relatively movable conductors (e.g., dynamometer) {1}
224  DF  .~.~.~ Induced current-type movable conductor (e.g., eddy current member) {2}
225.~.~.~.~ Rotating disk

DEFINITION

Classification: 335/225

(under subclass 224) Subject matter wherein one movable conductor is a rotating disk.

SEE OR SEARCH THIS CLASS, SUBCLASS:

272, for electromagnets with rotating armature.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

166+, for induction generator or motor structure which may include rotating disk type moving conductor and subclass 268 for disc armature structure, per se. 324, Electricity: Measuring and Testing,

137+, for electrical meters using rotating disk type moving conductors.

361, Electricity: Electrical Systems and Devices,

139+, for electric circuits for relays and electromagnets having rotating disk type movable conductor, especially subclasses 143+.