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Expired European patentEurope

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EP 0543775 B1 · Applicant: Alusuisse Technology & Management AG

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

Read the whole patent

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 5, 1992 and granted February 19, 1997. A European patent lasts at most 20 years from filing, so its term ended November 5, 2012.
  • 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 5, 2018.
  • 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 5, 1992
PublishedMay 26, 1993
GrantedFebruary 19, 1997
Term endedNovember 5, 2012
Application numberEP 92810856
Classification (CPC)B65D75/327 +1 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedNov 5, 1992PublishedMay 26, 1993Patent grantedFeb 19, 1997Term endedNov 5, 2012

Sources & verification