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Expired European patentEurope

Wall shape of axial flow machine and gas turbine engine

EP 1760257 B1 · Applicant: IHI Corporation

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed September 22, 2005 and granted December 26, 2012. A European patent lasts at most 20 years from filing, so its term ended September 22, 2025.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledSeptember 22, 2005
PublishedMarch 7, 2007
GrantedDecember 26, 2012
Term endedSeptember 22, 2025
Application numberEP 05785999
Classification (CPC)F01D5/143

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedSep 22, 2005PublishedMarch 7, 2007Patent grantedDec 26, 2012Term endedSep 22, 2025

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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