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Expired European patentEurope

Method of and device for alimentation of an ingot mold with molten metal in a continuous casting installation for thin blooms

EP 0370934 B1 · Applicant: INSTITUT DE RECHERCHES DE LA SIDERURGIE FRANCAISE (IRSID)

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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 November 22, 1989 and granted March 25, 1992. A European patent lasts at most 20 years from filing, so its term ended November 22, 2009.
  • 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 May 22, 2015.
  • 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.
FiledNovember 22, 1989
PublishedMay 30, 1990
GrantedMarch 25, 1992
Term endedNovember 22, 2009
Application numberEP 89470024
Classification (CPC)B22D11/10 +2 more

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedNov 22, 1989PublishedMay 30, 1990Patent grantedMarch 25, 1992Term endedNov 22, 2009

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

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