Methods and apparatus for the utilization of core based nodes for state transfer
CA 2554546 C · Owner: Flarion Technologies, Inc. · Inventors: Tsirtsis, George; Park, Vincent; Corson, M. Scott
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatus for storing, manipulating retrieving, and forwarding , state, e.g. context and other information used to support communications , sessions with one or more end nodes (144 147), e.g. mobile devices, are , described. Various features are directed to a mobile node controlling the transfer of state from a first access node (140) to a second access node (140~) during a handoff operation thereby eliminating any need for state transfer message to be transmitted between the second access node and the first access node during handoff. Other features of the invention are directed to the use of a core network node (104) to store state information. State information stored …
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 January 26, 2004 and granted February 12, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 26, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 26, 2026.
- 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.