US PATENT SUBCLASS 310 / 165
.~.~.~.~ D.C. excited

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}
159  DF  .~.~ A.C. {5}
162  DF  .~.~.~ Synchronous {2}
165.~.~.~.~ D.C. excited

DEFINITION

Classification: 310/165

(under subclass 162) Subject matter having an electromagnetic coil which is adapted to be energized by direct current.