US PATENT SUBCLASS 363 / 38
.~.~ By electron tube rectifier and inverter

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

13  DF  CURRENT CONVERSION {25}
34  DF  .~ Including an A.C.-D.C.-A.C. converter {4}
38.~.~ By electron tube rectifier and inverter

DEFINITION

Classification: 363/38

By electron tube rectifier and inverter:

(under subclass 34) Subject matter which includes electron tubes as the converting elements in both the rectifier and the inverter.

SEE OR SEARCH THIS CLASS, SUBCLASS:

27+, for current converters which both invert and rectify having electron tube inverter.

114, for electron tube rectifier systems.

120+, for electron tube inverter systems.