US PATENT SUBCLASS 310 / 236
.~.~.~.~.~ Cylindrical or drum

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}
219  DF  .~.~ Current collectors {7}
231  DF  .~.~.~ Rotary structure {2}
233  DF  .~.~.~.~ Commutators {4}
236.~.~.~.~.~ Cylindrical or drum

DEFINITION

Classification: 310/236

(under subclass 233) Subject matter relating to cylindrical or drum type commutators.