Information processing apparatus and receiving apparatus
CA 2500497 A1 · Owner: Maekawa, Hajime · Inventors: Takeda, Hidetoshi; Hamai, Shinji; Maekawa, Hajime
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Information processing apparatus and receiving apparatus of the present invention are a system including an electronic device an information , processing device and a server device wherein the electronic device transmits first address change authentication information including first address information to the information processing device; the information processing device transmits, to the server device second address change authentication , information obtained by writing second address information into the received first address change authentication information; and the server device determines a coincidence between the first and second address information included in the …
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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 September 29, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 29, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 2025.
- 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.