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Expired European patentEurope

Metal component for a colour cathode ray tube

EP 0079738 B1 · Applicant: KABUSHIKI KAISHA TOSHIBA

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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 November 8, 1982 and granted June 10, 1987. A European patent lasts at most 20 years from filing, so its term ended November 8, 2002.
  • 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 May 8, 2008.
  • 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.
FiledNovember 8, 1982
PublishedMay 25, 1983
GrantedJune 10, 1987
Term endedNovember 8, 2002
Application numberEP 82305925
Classification (CPC)H01J29/06 +1 more

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedNov 8, 1982PublishedMay 25, 1983Patent grantedJune 10, 1987Term endedNov 8, 2002

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.