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Expired European patentEurope

Method for controlling the coating weight for strip-phosphating

EP 1090160 B1 · Applicant: ThyssenKrupp Stahl AG

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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 February 20, 1999 and granted May 7, 2003. A European patent lasts at most 20 years from filing, so its term ended February 20, 2019.
  • 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 August 20, 2024.
  • 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.
FiledFebruary 20, 1999
PublishedApril 11, 2001
GrantedMay 7, 2003
Term endedFebruary 20, 2019
Application numberEP 99937820
Classification (CPC)C23C22/12 +2 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedFeb 20, 1999PublishedApril 11, 2001Patent grantedMay 7, 2003Term endedFeb 20, 2019

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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