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Expired European patentEurope

Method and apparatus for calibration

EP 1019683 B1 · Applicant: DRESSER WAYNE AB

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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 7, 1997 and granted August 13, 2008. A European patent lasts at most 20 years from filing, so its term ended November 7, 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 May 7, 2023.
  • 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 7, 1997
PublishedJuly 19, 2000
GrantedAugust 13, 2008
Term endedNovember 7, 2017
Application numberEP 97913592
Classification (CPC)B67D7/085 +2 more

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedNov 7, 1997PublishedJuly 19, 2000Patent grantedAug 13, 2008Term endedNov 7, 2017

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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