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Expired European patentEurope

Pressure transducer for a rotating implement

EP 0039255 B1 · Applicant: INTERTECHNIQUE (Société anonyme)

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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 February 17, 1981 and granted April 18, 1984. A European patent lasts at most 20 years from filing, so its term ended February 17, 2001.
  • 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 August 17, 2006.
  • 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.
FiledFebruary 17, 1981
PublishedNovember 4, 1981
GrantedApril 18, 1984
Term endedFebruary 17, 2001
Application numberEP 81400244
Classification (CPC)B60C23/043

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedFeb 17, 1981PublishedNov 4, 1981Patent grantedApril 18, 1984Term endedFeb 17, 2001

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.