Node and link representation of network services
CA 2272771 A1 · Owner: Nortel Networks Limited · Inventors: Hyndman, Arn Close
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A layered architecture for a network management system comprises physical building blocks (BBs) and service BBs. The purpose of a physical BB is to convert physical network information form the network resources and faults information into specific physical network data. The purpose of a service BB is to convert the physical network data from other physical BBs service related information and to present it to its clients using the same interface that the associated physical BB uses. A physical BB and a service BB form a family if they use same type of physical network data. All BBs in the network management system reuse parts of the software. Namely a BB has specific software parts BB …
Read the whole patent
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 May 20, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 20, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 20, 2021.
- 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.