US PATENT SUBCLASS 379 / 312
.~ Having multiple answering jacks for multiplied line

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

242  DF  CENTRALIZED SWITCHING SYSTEM {15}
312.~ Having multiple answering jacks for multiplied line

DEFINITION

Classification: 379/312

Having multiple answering jacks for multiplied line:

(under subclass 242) Subject matter including plural jack connectors for a line on different switchboards of a switching exchange.

(1) Note. The plural line appearances enable a call to be handled by operators at different switchboards.