Method and interface for connecting communication traffic between narrowband and broadband networks
CA 2239378 A1 · Owner: Rose, Desne Jean · Inventors: Mauger, Roy Harold; Rose, Desne Jean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Interconnection of a multimedia terminal (110) of a narrowband LAN-type, network (10) to an exchange (118) and thence to an end-point (119) is orchestrated through an intermediate network (142) as shown in FIG. 5. A, route (115) to the exchange (118) is initially established by a call handler (116) in responsive to a called party number of the end-point before a, connection supervisor (120), coupled to the call handler (116) sets up a, control channel across the intermediate network (142). The control channel supports the communication of control messages between the multimedia terminal (110) and the end-point (119) which control messages are, intercepted and interpreted by the connection …
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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 2, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 2, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 2, 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.