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Expired European patentEurope

Section steel straightener with adjustable roller width

EP 0472765 B1 · Applicant: KAWASAKI STEEL CORPORATION

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 August 30, 1990 and granted November 3, 1993. A European patent lasts at most 20 years from filing, so its term ended August 30, 2010.
  • 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 1, 2016.
  • 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.
FiledAugust 30, 1990
PublishedMarch 4, 1992
GrantedNovember 3, 1993
Term endedAugust 30, 2010
Application numberEP 90116673
Classification (CPC)B21D3/05

Timeline

Timeline From EPO dates

1991199319951997199920012003200520072009Application filedAug 30, 1990PublishedMarch 4, 1992Patent grantedNov 3, 1993Term endedAug 30, 2010

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.