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Expired European patentEurope

A unified distributed architecture for a multiple point video conference and interactive broadcast systems

EP 1737235 B1 · Applicant: Imajet Communications Inc.

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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 November 28, 2001 and granted March 4, 2015. A European patent lasts at most 20 years from filing, so its term ended November 28, 2021.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledNovember 28, 2001
PublishedDecember 27, 2006
GrantedMarch 4, 2015
Term endedNovember 28, 2021
Application numberEP 06017460
Classification (CPC)H04N7/15

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedNov 28, 2001PublishedDec 27, 2006Patent grantedMarch 4, 2015Term endedNov 28, 2021

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.