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Expired European patentEurope

Improved television signal selection device

EP 0502255 B1 · Applicant: EDICO S.r.l.

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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 December 16, 1991 and granted June 11, 1997. A European patent lasts at most 20 years from filing, so its term ended December 16, 2011.
  • 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 June 16, 2017.
  • 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.
FiledDecember 16, 1991
PublishedSeptember 9, 1992
GrantedJune 11, 1997
Term endedDecember 16, 2011
Application numberEP 91121529
Classification (CPC)H04N5/44 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedDec 16, 1991PublishedSep 9, 1992Patent grantedJune 11, 1997Term endedDec 16, 2011

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

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