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Expired European patentEurope

Metal modified dispersion strengthened copper

EP 0170651 B1 · Applicant: SCM CORPORATION

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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 January 31, 1984 and granted August 16, 1989. A European patent lasts at most 20 years from filing, so its term ended January 31, 2004.
  • 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 July 31, 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.
FiledJanuary 31, 1984
PublishedFebruary 12, 1986
GrantedAugust 16, 1989
Term endedJanuary 31, 2004
Application numberEP 84901031
Classification (CPC)C22C1/1078

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedJan 31, 1984PublishedFeb 12, 1986Patent grantedAug 16, 1989Term endedJan 31, 2004

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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