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Expired European patentEurope

Electrophotographic copier and charging means used therefor

EP 0775945 B1 · Applicant: SHARP 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 April 16, 1993 and granted March 22, 2000. A European patent lasts at most 20 years from filing, so its term ended April 16, 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 October 16, 2018.
  • 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 16, 1993
PublishedMay 28, 1997
GrantedMarch 22, 2000
Term endedApril 16, 2013
Application numberEP 97102003
Classification (CPC)G03G15/0266 +2 more

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedApril 16, 1993PublishedMay 28, 1997Patent grantedMarch 22, 2000Term endedApril 16, 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

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