US PATENT SUBCLASS 370 / FOR 121
.~.~ With signalling feature (370/68.1)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


370 /   HD   MULTIPLEX COMMUNICATIONS

FOR 101  DF  MULTIPLEX SWITCHING (370/53) {5}
FOR 106  DF  .~ TDM switching (time division multiplexing) (370/58.1) {12}
FOR 121.~.~ With signalling feature (370/68.1)

DEFINITION

Classification: 370/FOR.121

With signalling feature:

Foreign art collection including subject matter having signalling equipment located at a switching exchange facility of a time division multiplex network.