Telecommunications routing
CA 2426375 A1 · Owner: British Telecommunications Public Limited Company · Inventors: O'Neill, Alan William; Corson, Mathew Scott
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of controlling routing of packets in a packet switched network said method comprising: allocating a first said network address to a first mobile node being served via a communications link by a first access node at least a , first routing path in said infrastructure being directed to said first access node for said first network address; altering routing in said infrastructure when said first mobile node receives service from a second access node during , a period of subsequent inactivity removing said one or more host-specific routing entries from said infrastructure such that said mobile node has no current routing path in said network; and during during said period of …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed October 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 26, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.