US PATENT SUBCLASS 307 / 66
.~.~ Storage battery or accumulator

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.~.~ Storage battery or accumulator {1}
67  DF  .~.~.~> With intervening dynamoelectric machine

DEFINITION

Classification: 307/66

(under subclass 64) Subject matter in which a substitute or emergency source is a storage battery.

SEE OR SEARCH THIS CLASS, SUBCLASS:

46, and 48+, for this subject matter.

SEE OR SEARCH CLASS

320, Electricity: Battery or Capacitor Charging or Discharging, appropriate subclass for a charging system for a storage battery.

322, Electricity: Single Generator Systems,

88, for generator control systems having a battery source for the excitation winding.