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Expired European patentEurope

Distributed computer system arrangement

EP 0545994 B1 · Applicant: LENNARTSSON, Kent

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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 August 13, 1991 and granted August 20, 1997. A European patent lasts at most 20 years from filing, so its term ended August 13, 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 February 13, 2017.
  • 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.
FiledAugust 13, 1991
PublishedJune 16, 1993
GrantedAugust 20, 1997
Term endedAugust 13, 2011
Application numberEP 91915095
Classification (CPC)H04L7/0008 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedAug 13, 1991PublishedJune 16, 1993Patent grantedAug 20, 1997Term endedAug 13, 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.