US PATENT SUBCLASS 318 / 43
.~.~ D.C. or A.C. commutator motors with slip rings

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

34  DF  PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS {22}
41  DF  .~ Having electrical synchronizing interconnections {3}
43.~.~ D.C. or A.C. commutator motors with slip rings

DEFINITION

Classification: 318/43

(under subclass 41) Subject matter in which each of the interconnected motors is either a direct-current motor or an alternating current motor having both a commutator and one or more slip rings, the synchronizing interconnections being connected to the slip rings.

(1) Note. See Alternating-Current Commutating Motor, for a definition of an "alternating current commutator" motor.