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Expired European patentEurope

Hard facing of metal substrates using VC-Cr3C2

EP 0043103 B1 · Applicant: UNION CARBIDE CORPORATION

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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.

Why it's free to use

  • Filed June 25, 1981 and granted September 18, 1985. A European patent lasts at most 20 years from filing, so its term ended June 25, 2001.
  • 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 December 25, 2006.
  • 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.
FiledJune 25, 1981
PublishedJanuary 6, 1982
GrantedSeptember 18, 1985
Term endedJune 25, 2001
Application numberEP 81104904
Classification (CPC)B23K9/04 +1 more

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedJune 25, 1981PublishedJan 6, 1982Patent grantedSep 18, 1985Term endedJune 25, 2001

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