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Expired European patentEurope

Method of operating a gasturbine with silanol as fuel

EP 0828930 B1 · Applicant: Kunkel, Klaus

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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.

Why it's free to use

  • Filed March 26, 1997 and granted June 19, 2002. A European patent lasts at most 20 years from filing, so its term ended March 26, 2017.
  • 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 September 26, 2022.
  • 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 26, 1997
PublishedMarch 18, 1998
GrantedJune 19, 2002
Term endedMarch 26, 2017
Application numberEP 97922817
Classification (CPC)F02C3/20

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedMarch 26, 1997PublishedMarch 18, 1998Patent grantedJune 19, 2002Term endedMarch 26, 2017

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