US PATENT SUBCLASS 307 / 67
.~.~.~ With intervening dynamoelectric machine

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

43  DF  PLURAL SUPPLY CIRCUITS OR SOURCES {14}
64  DF  .~ Substitute or emergency source {3}
66  DF  .~.~ Storage battery or accumulator {1}
67.~.~.~ With intervening dynamoelectric machine

DEFINITION

Classification: 307/67

(under subclass 66) Subject matter having a dynamoelectric machine for connecting the storage battery to the system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

46, for this subject matter.