Method for translating an atm switch cell header
CA 2262491 A1 · Owner: Bavant, Marc · Inventors: Bavant, Marc; Delattre, Michel; Guerin, Didier
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method for translating an ATM switch cell header to be routed in a communication network transmission route via an ATM switch the , cell header comprising a first VPI field and a second VCI field the first VPI , field identifying the virtual path number and the second VCI field selecting a virtual channel, consisting in: storing in a first major table (3) the indirection context page numbers; storing in a second major table (4) context page numbers for the circuits in VP switching mode; storing in the indirection (5) context pages (2) context page numbers (7) for the circuits in VC switching mode; addressing via one indirection (5) context page (7) context …
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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 12, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 12, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 12, 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.