US PATENT SUBCLASS 310 / 222
.~.~.~.~ Spark-neutralizing current

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}
220  DF  .~.~.~ Spark-reduction {3}
222.~.~.~.~ Spark-neutralizing current

DEFINITION

Classification: 310/222

(under subclass 220) Subject matter for providing a spark neutralizing current.