Personal user agent
CA 2471550 A1 · Owner: Chen, Ta-Ming · Inventors: Ramsayer, Christopher G.; Dalrymple, William Clyde Prentice; Campion, Philipjohn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a personal user agent acting on behalf of a group of member device agents in a communication network. The personal user agents in a communication network. The personal user agent provides its group of member device agents with a specialized proxy function while representing , the group to the network as a single user agent. To devices on the communication network, the personal user agent behaves and is viewed as a user agent. To the group of member device agents the personal user agent behaves , and is viewed as both a registrar and a proxy server.
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 December 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2024.
- 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.