Connection-oriented communication network and method of operating
CA 2439726 C · Owner: Barker, Andrew James · Inventors: Barker, Andrew James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A first Multi Protocol Label Switching (MPLS) enabled Internet Protocol (IP) data network (11) is able to transmit data to a second MPLS enabled IP network (13) via a legacy optical network (12) which would not otherwise be able to , handle the user network interface (UNI) protocols required to be used within an MPLS network environment, by means of configuring the legacy optical network (12) and its traditional network management system (16) (TNMS) so that they simulate or emulate an MPLS enabled optical network. The simulation/emulation of an MPLS network is performed as follows: when a first legacy network element (NE) (14a) receives a connection request (a UNI request) from the …
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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 March 6, 2002 and granted January 4, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 6, 2024.
- 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.