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Expired European patentEurope

Machine for mowing and chopping maize and such stalk crops

EP 0508189 B1 · Applicant: Maschinenfabrik Kemper GmbH

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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.

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Why it's free to use

  • Filed March 21, 1992 and granted May 10, 1995. A European patent lasts at most 20 years from filing, so its term ended March 21, 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 September 21, 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.
FiledMarch 21, 1992
PublishedOctober 14, 1992
GrantedMay 10, 1995
Term endedMarch 21, 2012
Application numberEP 92104933
Classification (CPC)A01D43/082

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedMarch 21, 1992PublishedOct 14, 1992Patent grantedMay 10, 1995Term endedMarch 21, 2012

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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