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Class Information
Number: 379/310
Name: Telephonic communications > Centralized switching system > Divided central (e.g., communication between switchboards)
Description: Subject matter in which subscriber lines are grouped upon separate switchboards at a switching exchange.


Sub-classes under this class:

Class Number Class Name Patents
379/311 Having signalling path feature 2


Patents under this class:

Patent Number Title Of Patent Date Issued
6983046 Routing and labeling system for wires, cables, fibers, and the like Jan. 3, 2006
5960074 Mobile tele-computer network for motion picture, television and tv advertising production Sep. 28, 1999
5276445 Polling control system for switching units in a plural stage switching matrix Jan. 4, 1994
4302632 Digitally-controlled telephone answering switching system Nov. 24, 1981
 
 
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