Communication method and system
CA 2392415 A1 · Owner: Mobile Telephone Networks (Proprietary) Limited · Inventors: Vormbaum, Manfred; Govender, Nithiakumaran; Kahn, Ari
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A communication system comprises a mobile telephone (10) connected to an Interactive voice response (IVR) server (12) and associated database (14) by a telephone communications network (20). The IVR server (12) is in turn connected to a plurality of computers 16 on a second network (18). The database (14) stores the relationship between a plurality of telephone numbers and a plurality of IP addresses of the computers (16). A telephone call is routed using the telecommunication networks to the IVR server. The IVR server (12) uses the related IP address to send a message to the remote computer (16) and a communication session is set up between a listening application running on the …
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 November 23, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2022.
- 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.