US PATENT SUBCLASS 307 / 131
.~.~.~ Current

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

112  DF  SWITCHING SYSTEMS {5}
116  DF  .~ Condition responsive {4}
125  DF  .~.~ Electrical {6}
131.~.~.~ Current

DEFINITION

Classification: 307/131

(under subclass 125) Subject matter in which the electrical condition to which the system is automatically responsive is current.