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Expired European patentEurope

Air transfer system between compressor and turbine of a gas turbine engine

EP 1736635 B1 · Applicant: Rolls-Royce Deutschland Ltd & Co KG

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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 May 26, 2006 and granted May 2, 2012. A European patent lasts at most 20 years from filing, so its term ended May 26, 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.
FiledMay 26, 2006
PublishedDecember 27, 2006
GrantedMay 2, 2012
Term endedMay 26, 2026
Application numberEP 06114584
Classification (CPC)F01D5/08 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMay 26, 2006PublishedDec 27, 2006Patent grantedMay 2, 2012Term endedMay 26, 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

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