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Expired European patentEurope

Convectively cooled gas turbine blade

EP 1869291 B1 · Applicant: Alstom Technology Ltd

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Overview

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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 March 30, 2006 and granted July 30, 2014. A European patent lasts at most 20 years from filing, so its term ended March 30, 2026.
  • 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.
FiledMarch 30, 2006
PublishedDecember 26, 2007
GrantedJuly 30, 2014
Term endedMarch 30, 2026
Application numberEP 06725419
Classification (CPC)F01D5/187

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMarch 30, 2006PublishedDec 26, 2007Patent grantedJuly 30, 2014Term endedMarch 30, 2026

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.