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Expired Canadian patentCanada

Airfoil locator rib and method of positioning an insert in an airfoil

CA 2535140 C · Owner: Durocher, Eric · Inventors: Synnott, Remy; Durocher, Eric

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

An airfoil for a gas turbine engine, the airfoil comprising a locator rib provided at a bottom of a cavity in the airfoil core the locator rib having an inclined surface to be engaged by a leading end of the insert during installation thereof in the cavity.

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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 February 3, 2006 and granted June 3, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 3, 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.
FiledFebruary 3, 2006
GrantedJune 3, 2014
Term endedFebruary 3, 2026
Patent numberCA 2535140 C
Classification (IPC)F01D5/14 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 3, 2006Patent grantedJune 3, 2014Term endedFeb 3, 2026

Sources & verification

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