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Expired European patentEurope

A method and apparatus for providing a human-machine dialog supportable by operator intervention

EP 0752129 B1 · Applicant: Philips Electronics N.V.

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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 January 5, 1996 and granted December 5, 2001. A European patent lasts at most 20 years from filing, so its term ended January 5, 2016.
  • 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 July 5, 2021.
  • 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.
FiledJanuary 5, 1996
PublishedJanuary 8, 1997
GrantedDecember 5, 2001
Term endedJanuary 5, 2016
Application numberEP 96900010
Classification (CPC)G10L15/22 +2 more

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedJan 5, 1996PublishedJan 8, 1997Patent grantedDec 5, 2001Term endedJan 5, 2016

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