US PATENT SUBCLASS 363 / 153
.~.~ Transformer type

Current as of: June, 1999
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363 /   HD   ELECTRIC POWER CONVERSION SYSTEMS

148  DF  PHASE CONVERSION (Ph1-Ph2) WITHOUT INTERMEDIATE CONVERSION TO D.C. {5}
152  DF  .~ By induction-type converter {1}
153.~.~ Transformer type {1}
154  DF  .~.~.~> Stationary {1}

DEFINITION

Classification: 363/153

Transformer type:

(under subclass 152) Subject matter wherein the induction type converter is a transformer.