US PATENT SUBCLASS 307 / 77
.~ Series-connected sources

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

43  DF  PLURAL SUPPLY CIRCUITS OR SOURCES {14}
77.~ Series-connected sources {1}
78  DF  .~.~> Generator sources

DEFINITION

Classification: 307/77

(under subclass 43) Subject matter having plural supply circuits or plural sources connected in series.

(1) Note. This subclass relates, for example, to transformers connected in series.