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Expired Canadian patentCanada

Method for extinguishing fire in aircraft compartment

CA 2602923 C · Owner: L'Air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'Etude Et L'Exploitation Des Procedes Georges Claude · Inventors: Lessi, Stephane; Vandroux, Olivier

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 inventive method for extinguishing fire in an aircraft cargo compartment (3) consists in injecting a substentially pure nitrogen from high-pressure storage cylinders (12) in simultaneously actuating a device (5) for separating air and supplying nitrogen and in continuously introducing the nitrogen produced by said air separation device (5) into the compartment (3).

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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 23, 2006 and granted July 30, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 23, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 23, 2006
GrantedJuly 30, 2013
Term endedMarch 23, 2026
Patent numberCA 2602923 C
Classification (IPC)A62C99/00

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMarch 23, 2006Patent grantedJuly 30, 2013Term endedMarch 23, 2026

Sources & verification

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