Ipc Information Systems, Inc.
Records under this name other than patents Ipc Information Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Ipc Information Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,904,056 | System, Method and Apparatus for Recording and Reproducing Trading Communications Formerly held In force · High confidence | In force | High confidence | |
| US 6,212,177 | Remotely accessible key telephone system Formerly held Term ended Term ended Jun 3, 2016 · From the USPTO record | Term ended | Term ended Jun 3, 2016 | From the USPTO record |
| US 4,998,275 | Multi-line telephone communications system Formerly held Term ended Term ended no later than Mar 5, 2011 · Low confidence | Term ended | Term ended no later than Mar 5, 2011 | Low confidence |
| US 5,144,125 | Fiber optic based fire detection and tracking system Term ended Term ended no later than Sep 1, 2012 · Low confidence | Term ended | Term ended no later than Sep 1, 2012 | Low confidence |
| US 5,214,691 | Key telephone system with virtual private lines Term ended Term ended no later than May 25, 2013 · Low confidence | Term ended | Term ended no later than May 25, 2013 | Low confidence |
| US 5,237,571 | Broadcast system for distributed switching network Term ended Term ended no later than Aug 17, 2013 · Low confidence | Term ended | Term ended no later than Aug 17, 2013 | Low confidence |
| US 5,255,264 | Distributed control switching network for multi-line telephone communications Formerly held Term ended Term ended no later than Oct 19, 2013 · Low confidence | Term ended | Term ended no later than Oct 19, 2013 | Low confidence |
| US 5,379,280 | Conferencing system for distributed switching network Formerly held Term ended Term ended no later than Jan 3, 2015 · Low confidence | Term ended | Term ended no later than Jan 3, 2015 | Low confidence |
| US 5,535,197 | Shared buffer switching module Formerly held Term ended Term ended no later than Jul 9, 2016 · Low confidence | Term ended | Term ended no later than Jul 9, 2016 | Low confidence |
| US 5,577,075 | Distributed clocking system Formerly held Term ended Term ended no later than Nov 19, 2016 · Low confidence | Term ended | Term ended no later than Nov 19, 2016 | Low confidence |