US PATENT SUBCLASS 379 / 15
.~.~ Of automatic switching equipment

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

1  DF  DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT {12}
9  DF  .~ Of centralized switching system {6}
15.~.~ Of automatic switching equipment {4}
16  DF  .~.~.~> Of switching path
17  DF  .~.~.~> Of switching selector
18  DF  .~.~.~> By use of call address signal
19  DF  .~.~.~> Rapid manual connecting structure for test equipment

DEFINITION

Classification: 379/15

Of automatic switching equipment:

(under subclass 9) Subject matter for testing switching equipment which performs a selective call connection in response to a call address signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

258+, for automatic switching equipment.