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Expired European patentEurope

Backlighting for liquid crystal display

EP 0677201 B1 · Applicant: L-3 Communications Corporation

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 December 30, 1993 and granted July 10, 2002. A European patent lasts at most 20 years from filing, so its term ended December 30, 2013.
  • 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 June 30, 2019.
  • 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.
FiledDecember 30, 1993
PublishedOctober 18, 1995
GrantedJuly 10, 2002
Term endedDecember 30, 2013
Application numberEP 94905565
Classification (CPC)H05B41/295 +2 more

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedDec 30, 1993PublishedOct 18, 1995Patent grantedJuly 10, 2002Term endedDec 30, 2013

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.