US PATENT SUBCLASS 310 / 130
.~.~.~.~.~ For plural wire D.C. system

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}
127  DF  .~.~ Plural collector-type machines {4}
128  DF  .~.~.~ Commutator and slip-ring type {4}
129  DF  .~.~.~.~ Synchronous or rotary converter {1}
130.~.~.~.~.~ For plural wire D.C. system

DEFINITION

Classification: 310/130

(under subclass 129) Subject matter adapted to be used for plural wire direct current systems.

(1) Note. This subclass relates, for example, to converters adapted to be used with the Edison three wire systems.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems,

202, for balancer set systems.