US PATENT SUBCLASS 379 / 295
.~.~.~ Plural

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

242  DF  CENTRALIZED SWITCHING SYSTEM {15}
258  DF  .~ Switching controlled in response to called station addressing signal {9}
293  DF  .~.~ Having line finder {2}
295.~.~.~ Plural

DEFINITION

Classification: 379/295

Plural:

(under subclass 293) Subject matter including multiple line finders.