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Expired European patentEurope

Process for pressure casting, and pressure casting machine for carrying out this process

EP 0114934 B1 · Applicant: Gebrüder Bühler 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 October 5, 1983 and granted July 29, 1987. A European patent lasts at most 20 years from filing, so its term ended October 5, 2003.
  • 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 April 5, 2009.
  • 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.
FiledOctober 5, 1983
PublishedAugust 8, 1984
GrantedJuly 29, 1987
Term endedOctober 5, 2003
Application numberEP 83109981
Classification (CPC)B22D17/04

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedOct 5, 1983PublishedAug 8, 1984Patent grantedJuly 29, 1987Term endedOct 5, 2003

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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