US PATENT SUBCLASS 307 / 150
.~ Power packs

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

149  DF  MISCELLANEOUS SYSTEMS {5}
150.~ Power packs

DEFINITION

Classification: 307/150

(under subclass 149) Subject matter relating to power packs.

(1) Note. This subclass relates, for example, to systems for supplying a high voltage direct current from a battery source.