US PATENT SUBCLASS 370 / 420
.~.~.~ For connecting plural subscribers to a network (i.e., network termination)

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

351  DF  PATHFINDING OR ROUTING {5}
389  DF  .~ Switching a message which includes an address header {11}
419  DF  .~.~ Input or output circuit, per se (i.e., line interface) {1}
420.~.~.~ For connecting plural subscribers to a network (i.e., network termination) {1}
421  DF  .~.~.~.~> Subscribers connected to input or output circuit by a common bus

DEFINITION

Classification: 370/420

For connecting plural subscribers to a network (i.e., network termination):

(under subclass 419) Subject matter wherein the input or output circuit interfaces more than one terminal to a transmission line network.