US PATENT SUBCLASS 310 / 152
.~.~ Permanent magnet machines

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

10  DF  DYNAMOELECTRIC {5}
40 R  DF  .~ Rotary {28}
152.~.~ Permanent magnet machines {3}
153  DF  .~.~.~> Inbuilt with flywheel (magneto)
154  DF  .~.~.~> Permanent magnet stator {1}
156  DF  .~.~.~> Permanent magnet rotor

DEFINITION

Classification: 310/152

(under subclass 40) Subject matter having a permanent magnet.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

84, 92, 179, 205+, and 229+ for devices comprising at least one permanent magnet combined with an armature.