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Expired European patentEurope

Network switch with arbitration system

EP 0954792 B1 · Applicant: Fairchild Semiconductor 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 March 18, 1997 and granted May 28, 2003. A European patent lasts at most 20 years from filing, so its term ended March 18, 2017.
  • 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 September 18, 2022.
  • 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.
FiledMarch 18, 1997
PublishedNovember 10, 1999
GrantedMay 28, 2003
Term endedMarch 18, 2017
Application numberEP 97915136
Classification (CPC)H04L49/254 +1 more

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedMarch 18, 1997PublishedNov 10, 1999Patent grantedMay 28, 2003Term endedMarch 18, 2017

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.