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Expired European patentEurope

Modular projector arrangement for stereoscopy using a single light source with time-sequential colour selection

EP 1589751 B1 · Applicant: Sony Deutschland GmbH

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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 19, 2004 and granted January 31, 2007. A European patent lasts at most 20 years from filing, so its term ended April 19, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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 19, 2004
PublishedOctober 26, 2005
GrantedJanuary 31, 2007
Term endedApril 19, 2024
Application numberEP 04009209
Classification (CPC)G03B21/12 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedApril 19, 2004PublishedOct 26, 2005Patent grantedJan 31, 2007Term endedApril 19, 2024

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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