US PATENT SUBCLASS 307 / 26
.~.~.~ AC and DC

Current as of: June, 1999
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307 /   HD   ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS

11  DF  PLURAL LOAD CIRCUIT SYSTEMS {8}
18  DF  .~ Plural sources of supply {5}
25  DF  .~.~ Diverse sources {3}
26.~.~.~ AC and DC

DEFINITION

Classification: 307/26

(under subclass 25) Subject matter in which the two sources of supply are AC and DC sources.

SEE OR SEARCH THIS CLASS, SUBCLASS:

2, and 22, for this subject matter.