Method of providing telecommunications network-based message services
CA 2189604 C · Owner: Bossi, Burt Joseph · Inventors: Bossi, Burt Joseph; Hoskins, Stephen Dale; Hewitt, William Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of operating a telecommunications network to provide network-based messaging services includes utilizing a communication link between the network and a telephone adjunct interface. The adjunct interface detects and alerts the subscriber to the existence of waiting messages. In accordance with an illustrative embodiment of the invention, a combination of AC ring detection and outcall polling of the network is employed to determine whether any messages have been received by the network service platform. Specifically, if the subscriber phone is not answered after a predetermined number of rings, the interface polls the network after a suitable delay to determine if any messages were …
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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 November 5, 1996 and granted January 16, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 5, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 5, 2018.
- 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.