US PATENT SUBCLASS 307 / 14
.~.~.~ Phase balancing

Current as of: June, 1999
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307 /   HD   ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS

11  DF  PLURAL LOAD CIRCUIT SYSTEMS {8}
12  DF  .~ Common conductor or return type {3}
13  DF  .~.~ Polyphase {1}
14.~.~.~ Phase balancing

DEFINITION

Classification: 307/14

(under subclass 13) Subject matter relating to phase balancing systems for polyphase circuits.