Collaborative conference bridges
CA 2203945 A1 · Owner: Siemens Information And Communication Networks, Inc. · Inventors: Shaffer, Shmuel; Fernandes, Neufito
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for executing a conference call session between parties provides collaboration between nodes having separate conference-bridging capabilities, so that selection from a number of alternativeconnectivity schemes can be based upon bridge-to-bridge negotiation. The selection of a connectivity scheme may be based upon one or more of cost and telecommunication resource availability. Selection may also be based upon stored historical data relating to prior conference calls involving at least one of said parties and/or upon historical data of patterns of node resource availability. A conference bridge includes a user interface a, message interface, a connectivity computation …
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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 29, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 29, 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.