Methods of and apparatus for providing telephone call control and information
CA 2267983 C · Owner: Milaknis, Shirley-Ann · Inventors: Milaknis, Shirley-Ann; Anderson, John C.; Wood, Timothy John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Telephone call management is provided via a computer network (web) facility (22) which can be remotely accessed by subscribers using web browsers (12). The web facility includes an information database for storing personal telephone directories and call logs and a, telephone call control system coupled to a telephone switch (16) via a switchcomputer interface (26). Information on calls to and/or from telephone numbers of subscribers is communicated from the switch to the web facility to be stored in the database without requiring the subscribers' browers to be active. Subscribers can make telephone calls and control telephone communications via the browsers and the web facility. …
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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 April 23, 1997 and granted July 9, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 23, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 2019.
- 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.