US PATENT SUBCLASS 379 / 267
.~.~.~ Operator's console

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}
260  DF  .~.~ With operator position or completion of call (e.g., dial "O", semiautomatic) {4}
267.~.~.~ Operator's console

DEFINITION

Classification: 379/267

Operator's console:

(under subclass 260) Subject matter having details of the equipment used by the operator.