US PATENT SUBCLASS 340 / 825.4
.~.~.~ Selector or indicator, per se

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

825  DF  SELECTIVE {23}
825.36  DF  .~ Having indication or alarm (e.g., location indication) {4}
825.38  DF  .~.~ Party line {4}
825.4.~.~.~ Selector or indicator, per se

DEFINITION

Classification: 340/825.4

Selector or indicator, per se:

(under subclass 825.38) Subject matter limited, in extent, to the station selector or indicating mechanism for a party line system.