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Expired European patentEurope

Multiprocessor system for conducting initial processing for shared circuit

EP 0526091 B1 · Applicant: NEC 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 July 22, 1992 and granted June 9, 1999. A European patent lasts at most 20 years from filing, so its term ended July 22, 2012.
  • 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 January 22, 2018.
  • 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.
FiledJuly 22, 1992
PublishedFebruary 3, 1993
GrantedJune 9, 1999
Term endedJuly 22, 2012
Application numberEP 92306707
Classification (CPC)G06F15/177 +1 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedJuly 22, 1992PublishedFeb 3, 1993Patent grantedJune 9, 1999Term endedJuly 22, 2012

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