Bell Canada
Records under this name other than patents Bell Canada holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,839,422 | Method and Apparatus for Providing Local Call Treatment Discrimination for Selected Calls on a Switched Telephone Network Formerly held Term ended Term ended Mar 24, 2023 · High confidence | Term ended | Term ended Mar 24, 2023 | High confidence |
| US 6,766,009 | Method and System for Correlating Telephone Calls with Information Delivery Formerly held Term ended Term ended Dec 27, 2022 · High confidence | Term ended | Term ended Dec 27, 2022 | High confidence |
| US 6,735,293 | Method and system for facilitating telecommunications service provisioning and service assurance Term ended Term ended Oct 19, 2022 · From the USPTO record | Term ended | Term ended Oct 19, 2022 | From the USPTO record |
| US 6,724,876 | Method and Apparatus for Effecting Telecommunications Service Features Using Call Control Information Extracted from a Bearer Channel in a Telecommunications Network Formerly held Term ended Term ended Feb 18, 2022 · High confidence | Term ended | Term ended Feb 18, 2022 | High confidence |
| US 6,961,415 | Method and system for facilitating telecommunications service provisioning and service assurance Term ended Ended no later than Jun 5, 2021 · From the USPTO record | Term ended | Ended no later than Jun 5, 2021 | From the USPTO record |
| US 6,493,444 | Enhanced application telephone network Formerly held Term ended Term ended Mar 16, 2019 · From the USPTO record | Term ended | Term ended Mar 16, 2019 | From the USPTO record |
| US 6,236,722 | Method and system for using TCAP signaling for improved call setup from a virtual switching point Formerly held Term ended Term ended May 1, 2018 · From the USPTO record | Term ended | Term ended May 1, 2018 | From the USPTO record |
| US 6,111,946 | Method and system for providing answer supervision in a switched telephone network Term ended Term ended Jan 29, 2018 · From the USPTO record | Term ended | Term ended Jan 29, 2018 | From the USPTO record |
| US 6,097,804 | Method and system for completing a voice connection between first and second voice terminals in a switched telephone network Formerly held Term ended Term ended Dec 23, 2017 · From the USPTO record | Term ended | Term ended Dec 23, 2017 | From the USPTO record |
| US 6,959,056 | Rfi Canceller Using Narrowband and Wideband Noise Estimators Lapsed on the fee record Ended Oct 25, 2017 · High confidence | Lapsed on the fee record | Ended Oct 25, 2017 | High confidence |