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Expired European patentEurope

Camera and method of producing and displaying a 3-d motion picture

EP 0473613 B1 · Applicant: IMAX 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 May 10, 1990 and granted February 2, 1994. A European patent lasts at most 20 years from filing, so its term ended May 10, 2010.
  • 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 November 10, 2015.
  • 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.
FiledMay 10, 1990
PublishedMarch 11, 1992
GrantedFebruary 2, 1994
Term endedMay 10, 2010
Application numberEP 90906814
Classification (CPC)G03B35/08

Timeline

Timeline From EPO dates

1991199319951997199920012003200520072009Application filedMay 10, 1990PublishedMarch 11, 1992Patent grantedFeb 2, 1994Term endedMay 10, 2010

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.