US PATENT SUBCLASS 363 / 56
.~.~.~ Semiconductor type

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

13  DF  CURRENT CONVERSION {25}
50  DF  .~ Including automatic or integral protection means {3}
55  DF  .~.~ For inverters {1}
56.~.~.~ Semiconductor type {1}
57  DF  .~.~.~.~> Thyristor {1}

DEFINITION

Classification: 363/56

Semiconductor type:

(under subclass 55) Subject matter which includes a semiconductor device as the converting element.