US PATENT SUBCLASS 379 / 383
.~.~ Of plural lines

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

350  DF  SUPERVISORY OR CONTROL LINE SIGNALLING {5}
377  DF  .~ Using line or loop condition detection (e.g., line circuit) {7}
383.~.~ Of plural lines {1}
384  DF  .~.~.~> By scanning

DEFINITION

Classification: 379/383

Of plural lines:

(under subclass 377) Subject matter having more than one line or loop.

SEE OR SEARCH THIS CLASS, SUBCLASS:

156+, for a multiline system with selective switching and central office connection.

264+, for identification of a line in a central office.

333+, for a line concentrator.