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Expired European patentEurope

Transducer for an electromagnetic flow meter

EP 0396566 B1 · Applicant: Krohne AG

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Overview

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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 19, 1988 and granted June 16, 1993. A European patent lasts at most 20 years from filing, so its term ended November 19, 2008.
  • 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 19, 2014.
  • 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 19, 1988
PublishedNovember 14, 1990
GrantedJune 16, 1993
Term endedNovember 19, 2008
Application numberEP 88910031
Classification (CPC)G01F1/586

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedNov 19, 1988PublishedNov 14, 1990Patent grantedJune 16, 1993Term endedNov 19, 2008

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.