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Expired European patentEurope

Method and apparatus for suppressing water-solid over-pressurization of coolant in nuclear reactor power apparatus

EP 0078647 B1 · Applicant: WESTINGHOUSE ELECTRIC 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.

Why it's free to use

  • Filed October 25, 1982 and granted April 22, 1987. A European patent lasts at most 20 years from filing, so its term ended October 25, 2002.
  • 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 25, 2008.
  • 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 25, 1982
PublishedMay 11, 1983
GrantedApril 22, 1987
Term endedOctober 25, 2002
Application numberEP 82305652
Classification (CPC)G21D3/04

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedOct 25, 1982PublishedMay 11, 1983Patent grantedApril 22, 1987Term endedOct 25, 2002

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