Terminal adapter
CA 2291934 A1 · Owner: Sophia International Co. Ltd. · Inventors: Kinoshita, Kentoku
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A terminal adapter (10) includes a transmit/receive control section (17)for controlling telecommunication between a user terminal device (20) and another user terminal device line-connected to the terminal adapter (10) through a selected one of particular telecommunication networks respectively provided by particular common carriers with which a user made a service contract, and a memory device (19) for storing a table indicating adapter-operating conditions including exchange identification numbers respectively specifying particular exchanges respectively provided in the particular telecommunication networks. The transmit/receive control section (17) selects, in response to manual input of …
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 8, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 8, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 8, 2021.
- 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.