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Expired European patentEurope

Distributed computer system

EP 0477364 B1 · Applicant: Matra BAe Dynamics (UK) Ltd

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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 April 12, 1991 and granted October 22, 1997. A European patent lasts at most 20 years from filing, so its term ended April 12, 2011.
  • 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 October 12, 2016.
  • 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.
FiledApril 12, 1991
PublishedApril 1, 1992
GrantedOctober 22, 1997
Term endedApril 12, 2011
Application numberEP 91914886
Classification (CPC)G06F15/17337

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedApril 12, 1991PublishedApril 1, 1992Patent grantedOct 22, 1997Term endedApril 12, 2011

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.