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Expired European patentEurope

Sampling and re-formatting method and system for processing color video type signals to improve picture quality

EP 0050152 B1 · Applicant: HARRIS VIDEO SYSTEMS, 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 April 14, 1981 and granted February 28, 1990. A European patent lasts at most 20 years from filing, so its term ended April 14, 2001.
  • 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 October 14, 2006.
  • 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.
FiledApril 14, 1981
PublishedApril 28, 1982
GrantedFebruary 28, 1990
Term endedApril 14, 2001
Application numberEP 81901239
Classification (CPC)H04N11/08 +1 more

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedApril 14, 1981PublishedApril 28, 1982Patent grantedFeb 28, 1990Term endedApril 14, 2001

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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