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Expired Canadian patentCanada

Door for closing an opening inside an aircraft

CA 2576760 C · Owner: Airbus Deutschland Gmbh · Inventors: Maksen, Smail; French, Clive

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

This door includes a device that permits air to flow through the door in one direction , but prevents this flow of air in the opposite direction. On the attached illustration, the , door includes at least a window that less air pass through as well as an elastic , membrane covering window. Elastic membrane includes on the one hand an area that is , airtight facing window and capable of fully covering it and on the other hand an area , that is pervious to air near the impervious area.

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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 July 18, 2005 and granted September 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 18, 2025.
  • 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.
FiledJuly 18, 2005
GrantedSeptember 10, 2013
Term endedJuly 18, 2025
Patent numberCA 2576760 C
Classification (IPC)B64D45/00

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 18, 2005Patent grantedSep 10, 2013Term endedJuly 18, 2025

Sources & verification

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