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Expired European patentEurope

Method for making shadow mask for color picture tube

EP 0773575 B1 · Applicant: SAMSUNG DISPLAY DEVICES CO., LTD.

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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 October 18, 1996 and granted February 9, 2000. A European patent lasts at most 20 years from filing, so its term ended October 18, 2016.
  • 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 April 18, 2022.
  • 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.
FiledOctober 18, 1996
PublishedMay 14, 1997
GrantedFebruary 9, 2000
Term endedOctober 18, 2016
Application numberEP 96116775
Classification (CPC)H01J9/142

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedOct 18, 1996PublishedMay 14, 1997Patent grantedFeb 9, 2000Term endedOct 18, 2016

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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