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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