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Expired Canadian patentCanada

Process for checking the deterministic behavior of a packet switching network

CA 2410182 C · Owner: Airbus France · Inventors: Gambardella, Eddie; Lopez, Juan; Pasquier, Bruno

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention relates to a process for checking the deterministic behavior of a packet switching network comprising subscriber stations connected to each other through at least one switch, this behavior being said to be deterministic in the sense that every packet sent on the network from a source subscriber station joins the destination subscriber station(s) within a limited time characterized in that the following relation is satisfied for each output port on each switch on the network: (see above formula)

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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 October 30, 2002 and granted May 15, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 30, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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.
FiledOctober 30, 2002
GrantedMay 15, 2012
Term endedOctober 30, 2022
Patent numberCA 2410182 C
Classification (IPC)H04L41/50 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedOct 30, 2002Patent grantedMay 15, 2012Term endedOct 30, 2022

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.