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Expired European patentEurope

An assembly and method for binary tree-searched vector quantisation data compression processing

EP 0472283 B1 · Applicant: Matra Marconi Space UK Limited

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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 July 17, 1991 and granted April 3, 1996. A European patent lasts at most 20 years from filing, so its term ended July 17, 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 January 17, 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.
FiledJuly 17, 1991
PublishedFebruary 26, 1992
GrantedApril 3, 1996
Term endedJuly 17, 2011
Application numberEP 91306481
Classification (CPC)G06T9/008 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedJuly 17, 1991PublishedFeb 26, 1992Patent grantedApril 3, 1996Term endedJuly 17, 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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