Multimedia call configuration system
CA 2126476 C · Owner: Isidoro, Alessandro Ludovico · Inventors: Tsai, Howard S.; Isidoro, Alessandro Ludovico
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved system for effecting broadband/multimedia calls and connections within an intelligent switched telecommunication network. This system which, employs object-oriented commands is capable of establishing complex call and connection configurations between multiple network subscribers participating in a broadband/multimedia call. These object-oriented commands which are stored in and, initiated from network adjuncts or service control points eliminate the need for long series, of individual low-level commands to be transmitted to the network switching system. Furthermore the system provides for a finite set of object-oriented commands which are capable of implementing the many …
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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 June 22, 1994 and granted August 25, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 22, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 22, 2016.
- 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.