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Expired European patentEurope

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EP 0244403 B1 · Applicant: WROBLEWSKI, Franz Bruno

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Overview

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

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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 5, 1985 and granted March 7, 1990. A European patent lasts at most 20 years from filing, so its term ended November 5, 2005.
  • 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, 2011.
  • 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, 1985
PublishedNovember 11, 1987
GrantedMarch 7, 1990
Term endedNovember 5, 2005
Application numberEP 85905904
Classification (CPC)B27L1/025 +1 more

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedNov 5, 1985PublishedNov 11, 1987Patent grantedMarch 7, 1990Term endedNov 5, 2005

Sources & verification