A telephone
CA 2338890 A1 · Owner: De Beer, Leon · Inventors: De Beer, Leon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A telephone is provided with dialling means (120) to output a dialled number signal and a route determining means (121 127) for determining an access code , to route the telephone call via a preferred route provided by a service provider. A keypad (122) of the telephone is provided with a key (128) for generating a user intervention to prevent automatic operation of the route determining means to insert an access code so that in normal use, the user is , required only to input the call destination telephone number to achieve optimum routing. The user however has the option of intervening to prevent automatic call routing by actuating a function key of the telephone keypad. Calls …
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 July 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 13, 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.