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Expired European patentEurope

Method and apparatus for measuring the gas content of a liquid synthetic component

EP 0125541 B1 · Applicant: Krauss-Maffei Aktiengesellschaft

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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 April 26, 1984 and granted January 18, 1989. A European patent lasts at most 20 years from filing, so its term ended April 26, 2004.
  • 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 October 26, 2009.
  • 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.
FiledApril 26, 1984
PublishedNovember 21, 1984
GrantedJanuary 18, 1989
Term endedApril 26, 2004
Application numberEP 84104687
Classification (CPC)G01N9/26 +1 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedApril 26, 1984PublishedNov 21, 1984Patent grantedJan 18, 1989Term endedApril 26, 2004

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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