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Expired European patentEurope

A method and a system for fuel injection

EP 0558592 B1 · Applicant: THE ENERGY RESEARCH AND DEVELOPMENT CORPORATION

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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.

Why it's free to use

  • Filed November 20, 1991 and granted February 3, 1999. A European patent lasts at most 20 years from filing, so its term ended November 20, 2011.
  • 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 20, 2017.
  • 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 20, 1991
PublishedSeptember 8, 1993
GrantedFebruary 3, 1999
Term endedNovember 20, 2011
Application numberEP 91920877
Classification (CPC)F02M21/0245 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedNov 20, 1991PublishedSep 8, 1993Patent grantedFeb 3, 1999Term endedNov 20, 2011

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