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Expired European patentEurope

Transposing memory for an image transformation system

EP 0200282 B1 · Applicant: AMPEX CORPORATION

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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 April 10, 1981 and granted February 5, 1992. A European patent lasts at most 20 years from filing, so its term ended April 10, 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 10, 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 10, 1981
PublishedNovember 5, 1986
GrantedFebruary 5, 1992
Term endedApril 10, 2001
Application numberEP 86200831
Classification (CPC)G06T3/40 +2 more

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedApril 10, 1981PublishedNov 5, 1986Patent grantedFeb 5, 1992Term endedApril 10, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.