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Expired European patentEurope

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EP 0581998 B1 · Applicant: CLOVER MFG. CO., LTD.

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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 October 29, 1992 and granted March 1, 1995. A European patent lasts at most 20 years from filing, so its term ended October 29, 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 April 29, 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.
FiledOctober 29, 1992
PublishedFebruary 9, 1994
GrantedMarch 1, 1995
Term endedOctober 29, 2012
Application numberEP 92118511
Classification (CPC)B26B13/18

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedOct 29, 1992PublishedFeb 9, 1994Patent grantedMarch 1, 1995Term endedOct 29, 2012

Sources & verification