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Expired European patentEurope

Pressure transducer, especially for measuring the inlet pressure of internal-combustion motors

EP 0039634 B1 · Applicant: REGIE NATIONALE DES USINES RENAULT

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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 April 28, 1981 and granted November 7, 1984. A European patent lasts at most 20 years from filing, so its term ended April 28, 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 October 28, 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.
FiledApril 28, 1981
PublishedNovember 11, 1981
GrantedNovember 7, 1984
Term endedApril 28, 2001
Application numberEP 81400661
Classification (CPC)G01L9/0036

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedApril 28, 1981PublishedNov 11, 1981Patent grantedNov 7, 1984Term endedApril 28, 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

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