Method and system for transferring data to a line connected device using a computer modem
CA 2452949 A1 · Owner: Charney, Douglas · Inventors: Charney, Douglas; Alvarado, Douglas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Systems and methods are described for providing connectivity to portable electronic, devices, such as a cordless telephone for the purpose of upgrading software features. In a, preferred embodiment, portable electronic devices can receive incoming data at the PSTN, jack from a personal computer that is also connected to the PSTN via a PSTN modem. In, this manner, upgrades can be accomplished without requiring users to disconnect the, telephone or to connect additional cables or components. The telephone is temporarily, disabled from service only during the downloading of the upgrade software from the personal, computer to the telephone. Upgrade software can be received at 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 December 11, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 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.