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European application, no grantEurope

Expert system for surveillance, diagnosis and prognosis of plant operation

EP 0378377 A2 · Applicant: WESTINGHOUSE ELECTRIC CORPORATION

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 10, 1990 and never granted as a European patent. Had it been granted, its 20-year term would have ended January 10, 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 July 10, 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.
FiledJanuary 10, 1990
PublishedJuly 18, 1990
GrantedNever granted
Term endedJanuary 10, 2010
Application numberEP 90300254
Classification (CPC)G06N5/00

Timeline

Timeline From EPO dates

1991199319951997199920012003200520072009Application filedJan 10, 1990PublishedJuly 18, 1990Term endedJan 10, 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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