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Expired European patentEurope

Method of recognition of a shaft rupture in a turbo-engine

EP 1055052 B1 · Applicant: BMW ROLLS-ROYCE GmbH

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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 November 12, 1999 and granted June 2, 2004. A European patent lasts at most 20 years from filing, so its term ended November 12, 2019.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by May 12, 2025.
  • 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.
FiledNovember 12, 1999
PublishedNovember 29, 2000
GrantedJune 2, 2004
Term endedNovember 12, 2019
Application numberEP 99955983
Classification (CPC)F01D21/00 +2 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedNov 12, 1999PublishedNov 29, 2000Patent grantedJune 2, 2004Term endedNov 12, 2019

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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