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Expired European patentEurope

Improvements in or relating to an ATM switch

EP 0828403 B1 · Applicant: THOMSON-CSF

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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 August 29, 1997 and granted December 19, 2007. A European patent lasts at most 20 years from filing, so its term ended August 29, 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 March 1, 2023.
  • 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 29, 1997
PublishedMarch 11, 1998
GrantedDecember 19, 2007
Term endedAugust 29, 2017
Application numberEP 97306620
Classification (CPC)H04L49/1553 +2 more

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedAug 29, 1997PublishedMarch 11, 1998Patent grantedDec 19, 2007Term endedAug 29, 2017

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