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Expired European patentEurope

Apparatus for manufacturing electron source and image forming apparatus

EP 0692809 B1 · Applicant: CANON KABUSHIKI KAISHA

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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 July 10, 1995 and granted May 17, 2000. A European patent lasts at most 20 years from filing, so its term ended July 10, 2015.
  • 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 January 10, 2021.
  • 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.
FiledJuly 10, 1995
PublishedJanuary 17, 1996
GrantedMay 17, 2000
Term endedJuly 10, 2015
Application numberEP 95304815
Classification (CPC)H01J1/316 +1 more

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedJuly 10, 1995PublishedJan 17, 1996Patent grantedMay 17, 2000Term endedJuly 10, 2015

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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