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Expired European patentEurope

Process for preparing semi-finished creep resistant products from high melting metal

EP 0396185 B1 · Applicant: METALLWERK PLANSEE GESELLSCHAFT M.B.H.

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Overview

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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 26, 1990 and granted July 21, 1993. A European patent lasts at most 20 years from filing, so its term ended April 26, 2010.
  • 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 26, 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.
FiledApril 26, 1990
PublishedNovember 7, 1990
GrantedJuly 21, 1993
Term endedApril 26, 2010
Application numberEP 90201056
Classification (CPC)C22C32/0031 +2 more

Timeline

Timeline From EPO dates

1991199319951997199920012003200520072009Application filedApril 26, 1990PublishedNov 7, 1990Patent grantedJuly 21, 1993Term endedApril 26, 2010

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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