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Expired European patentEurope

Method of straightening warp of steel strip in electroplating line

EP 0834603 B1 · Applicant: KAWASAKI STEEL CORPORATION

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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 25, 1997 and granted August 8, 2001. A European patent lasts at most 20 years from filing, so its term ended March 25, 2017.
  • 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 25, 2022.
  • 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 25, 1997
PublishedApril 8, 1998
GrantedAugust 8, 2001
Term endedMarch 25, 2017
Application numberEP 97908502
Classification (CPC)C25D7/0621

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedMarch 25, 1997PublishedApril 8, 1998Patent grantedAug 8, 2001Term endedMarch 25, 2017

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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