Client server system and communication method thereof
CA 2337663 A1 · Owner: Okada, Tetsuya · Inventors: Okada, Tetsuya; Miyazawa, Takeo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a client server system whereby a message exchange can be easily executed between a client such, as a personal computer, and an Internet portable telephone . The client server system comprises a server a plurality of clients, connected to the server via communication lines and a gateway, which converts the information of the server to an interface suitable for an Internet portable telephone.
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 February 22, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 22, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 22, 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.