Communication system for a control system over ethernet and ip networks
CA 2322495 A1 · Owner: Jammes, Francois · Inventors: Jammes, Francois
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A communication system is provided for communication within a control system. The communication system has a plurality of simple devices connected to an intra-level communications network, each simple device being adapted to directly exchange data with the other simple devices. The communications system also has at least one intelligent device connected to the intra-level communications network, each intelligent device being adapted to directly exchange data with each simple device on the intra-level communications network. The communication system can have a plurality of intra-level communications networks. The intra-level communications networks can be directly connected by an …
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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 15, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 15, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 15, 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.