US PATENT SUBCLASS 379 / 423
.~.~ Line selection

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

419  DF  TERMINAL {4}
422  DF  .~ Switch or switch actuator structure {2}
423.~.~ Line selection

DEFINITION

Classification: 379/423

Line selection:

(under subclass 422) Subject matter where the switch connects one of a plurality of lines to a component of the system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

156+, for substation circuitry including plural lines used with line selecting terminals.