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Expired European patentEurope

Method and device in the drying section of a paper machine in the threading of the web

EP 0479748 B1 · Applicant: VALMET CORPORATION

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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 September 30, 1991 and granted May 29, 1996. A European patent lasts at most 20 years from filing, so its term ended September 30, 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 March 30, 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.
FiledSeptember 30, 1991
PublishedApril 8, 1992
GrantedMay 29, 1996
Term endedSeptember 30, 2011
Application numberEP 91850239
Classification (CPC)D21G9/0063 +1 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedSep 30, 1991PublishedApril 8, 1992Patent grantedMay 29, 1996Term endedSep 30, 2011

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