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Expired Canadian patentCanada

Landing load monitor for aircraft landing gear

CA 2620188 C · Owner: Airbus Uk Limited · Inventors: Keen, Phillip; Yates, Michael Stuart

CIPO record

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

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Abstract From the Canadian patent

A landing gear monitor for aircraft landing gear including a plurality of pairs of wheels on a bogie, in which the main strut oil pressure serves to indicate landing load and is monitored in relation to respectively, the two-, wheel mode and the four-wheel mode the two-wheel mode being the condition when a first of the plurality of pairs of wheels on the bogie contacts the ground and the four-wheel mode being the condition of a first and a second of the plurality of pairs of wheels on the bogie being in full contact with the ground.

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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 August 23, 2006 and granted July 21, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 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.
FiledAugust 23, 2006
GrantedJuly 21, 2015
Term endedAugust 23, 2026
Patent numberCA 2620188 C
Classification (IPC)B64C25/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 23, 2006Patent grantedJuly 21, 2015Term endedAug 23, 2026

Sources & verification

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