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EP 0705035 B1 · Applicant: PICTURETEL CORPORATION

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 March 24, 1988 and granted July 24, 2002. A European patent lasts at most 20 years from filing, so its term ended March 24, 2008.
  • 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 24, 2013.
  • 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 24, 1988
PublishedApril 3, 1996
GrantedJuly 24, 2002
Term endedMarch 24, 2008
Application numberEP 95118510
Classification (CPC)H04N19/00 +2 more

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedMarch 24, 1988PublishedApril 3, 1996Patent grantedJuly 24, 2002Term endedMarch 24, 2008

Sources & verification