US PATENT SUBCLASS 307 / 37
.~.~ Selective series-parallel connections

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

11  DF  PLURAL LOAD CIRCUIT SYSTEMS {8}
36  DF  .~ Serially connected load circuits {1}
37.~.~ Selective series-parallel connections

DEFINITION

Classification: 307/37

(under subclass 36) Subject matter relating to selective series parallel connections.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

111, for plural electric motors connected in series-parallel arrangements.

323, Electricity: Power Supply or Regulation Systems,

346, for plural transformer systems wherein the transformers are connected in series-parallel.

340, Communications: Electrical, 825+, for miscellaneous selective control systems.

361, Electricity: Electrical Systems and Devices,

191+, for selectively controlled relay circuits.