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Expired European patentEurope

Neurocomputer system for solving optimization problems

EP 0318582 B1 · Applicant: UNISYS 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.

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Why it's free to use

  • Filed May 31, 1988 and granted November 8, 1995. A European patent lasts at most 20 years from filing, so its term ended May 31, 2008.
  • 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 1, 2013.
  • 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.
FiledMay 31, 1988
PublishedJune 7, 1989
GrantedNovember 8, 1995
Term endedMay 31, 2008
Application numberEP 88908436
Classification (CPC)G06N3/10

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedMay 31, 1988PublishedJune 7, 1989Patent grantedNov 8, 1995Term endedMay 31, 2008

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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