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Expired European patentEurope

A centering and cramping adjusting mechanism for adjusting the clearance between sub-guide rollers, for use in a material guiding apparatus of a rolling mill

EP 0013671 B1 · Applicant: Kotobuki Sangyo Kabushiki Kaisha

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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 January 24, 1979 and granted May 11, 1983. A European patent lasts at most 20 years from filing, so its term ended January 24, 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 July 24, 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.
FiledJanuary 24, 1979
PublishedAugust 6, 1980
GrantedMay 11, 1983
Term endedJanuary 24, 1999
Application numberEP 79100206
Classification (CPC)B21B39/165

Timeline

Timeline From EPO dates

1980198219841986198819901992199419961998Application filedJan 24, 1979PublishedAug 6, 1980Patent grantedMay 11, 1983Term endedJan 24, 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

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