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Expired European patentEurope

Dynamic casting speed control method for a skinning over cycle flollowing sticking in a continuous steel casting process

EP 0579702 B1 · Applicant: TECHMETAL PROMOTION

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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 30, 1992 and granted December 7, 1994. A European patent lasts at most 20 years from filing, so its term ended March 30, 2012.
  • 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 30, 2017.
  • 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 30, 1992
PublishedJanuary 26, 1994
GrantedDecember 7, 1994
Term endedMarch 30, 2012
Application numberEP 92908866
Classification (CPC)B22D11/20

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedMarch 30, 1992PublishedJan 26, 1994Patent grantedDec 7, 1994Term endedMarch 30, 2012

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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