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Expired European patentEurope

Process and devices for producing sand moulds bound with synthetic resin for metal casting

EP 0580691 B1 · Applicant: Dossmann GmbH, Eisengiesserei und Maschinenfabrik

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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 April 20, 1992 and granted April 12, 1995. A European patent lasts at most 20 years from filing, so its term ended April 20, 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 October 20, 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.
FiledApril 20, 1992
PublishedFebruary 2, 1994
GrantedApril 12, 1995
Term endedApril 20, 2012
Application numberEP 92908814
Classification (CPC)B22C9/123

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedApril 20, 1992PublishedFeb 2, 1994Patent grantedApril 12, 1995Term endedApril 20, 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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