Systems and methods for internet enabled services
CA 2290545 A1 · Owner: Bell Communications Research, Inc. · Inventors: Smyk, Darek A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatus for providing a "never busy" telephony service to internet users is described. Internet users register their use with for , example, an internet telephony gateway an intelligent network service control point ("ISCP"), or some other network directory system. Telephone calls placed to the user while the user is communicating with the internet are processed accordingly. The ISCP instructs the switch to route a call for the user to the internet telephony gateway if the user has registered. The internet telephony gateway establishes an internet based telephone call to the user to alert the user to the phone call.
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 June 4, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 4, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 4, 2020.
- 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.