US PATENT SUBCLASS 363 / 31
.~.~.~ Double ended type (i.e., push-pull)

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

13  DF  CURRENT CONVERSION {25}
15  DF  .~ Including D.C.-A.C.-D.C. converter {5}
29  DF  .~.~ Having electron tube inverter {2}
31.~.~.~ Double ended type (i.e., push-pull)

DEFINITION

Classification: 363/31

Double ended type (i.e., push-pull):

(under subclass 29) Subject matter in which two electronic tubes are alternately and periodically coupled to opposite terminals of a center-tapped primary winding of a power transformer.

SEE OR SEARCH THIS CLASS, SUBCLASS:

22+, for double ended transistorized self- oscillating type inverters.

24+, for double ended transistorized separately driven type inverters.