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Expired European patentEurope

Hot-rolled stainless steel strip and method for producing the same

EP 0835698 B1 · Applicant: Kawasaki Steel Corporation

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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 September 30, 1997 and granted December 11, 2002. A European patent lasts at most 20 years from filing, so its term ended September 30, 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 March 30, 2023.
  • 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.
FiledSeptember 30, 1997
PublishedApril 15, 1998
GrantedDecember 11, 2002
Term endedSeptember 30, 2017
Application numberEP 97307720
Classification (CPC)C21D8/02 +1 more

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedSep 30, 1997PublishedApril 15, 1998Patent grantedDec 11, 2002Term endedSep 30, 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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