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Expired Canadian patentCanada

Method for repair and replacement of combustor liner panel

CA 2512417 C · Owner: Emilianowicz, Edward John · Inventors: Emilianowicz, Edward John; Caldwell, James M.; Loveless, Gary

CIPO record

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Abstract From the Canadian patent

A method for repairing a damaged portion of a combustor inner liner assembly (48 80). The method includes removing the combustor (45) from a gas turbine engine (10). After inspecting the combustor (45) to determine whether cracks exists in portions of the inner liner assembly (48 80), the method includes removing a cracked inner liner assembly (48 80) from the combustor (45). Then the portion of the inner liner assembly (48,80) comprising a multi-hole panel region (84) an aft lip region (86), an aft seal flange region (87) and an aft panel support leg (88) are separated from the inner liner assembly (48,80). The multi-hole panel region (84) and aft lip (86) where fatigue damage typically …

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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 14, 2005 and granted June 11, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 14, 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 14, 2005
GrantedJune 11, 2013
Term endedJuly 14, 2025
Patent numberCA 2512417 C
Classification (IPC)B23P6/00 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 14, 2005Patent grantedJune 11, 2013Term endedJuly 14, 2025

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