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EP 0004381 B1 · Applicant: WIHAG Nutzfahrzeugtechnik Gesellschaft mit beschränkter Haftung & Co. Kommanditgesellschaft

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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.

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Why it's free to use

  • Filed March 23, 1979 and granted December 16, 1981. A European patent lasts at most 20 years from filing, so its term ended March 23, 1999.
  • 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 23, 2004.
  • 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 23, 1979
PublishedOctober 3, 1979
GrantedDecember 16, 1981
Term endedMarch 23, 1999
Application numberEP 79100879
Classification (CPC)B60P7/13

Timeline

Timeline From EPO dates

1980198219841986198819901992199419961998Application filedMarch 23, 1979PublishedOct 3, 1979Patent grantedDec 16, 1981Term endedMarch 23, 1999

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.