US PATENT SUBCLASS 505 / 868
.~.~ Current conversion: (Class 363/14)

Current as of: June, 1999
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505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

825  DF  APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36}
867  DF  .~ Electric power conversion system: (Class 363) {1}
868.~.~ Current conversion: (Class 363/14)

DEFINITION

Classification: 505/868

Current conversion: (Class 363/14):

(under subclass 867) Subject matter wherein a conversion system includes means to change alternating current into direct current, or vice versa.