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Expired European patentEurope

Self calibrating color printer

EP 0625847 B1 · Applicant: HEWLETT-PACKARD COMPANY

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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 April 21, 1994 and granted March 10, 1999. A European patent lasts at most 20 years from filing, so its term ended April 21, 2014.
  • 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 21, 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.
FiledApril 21, 1994
PublishedNovember 23, 1994
GrantedMarch 10, 1999
Term endedApril 21, 2014
Application numberEP 94302849
Classification (CPC)H04N1/6033

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedApril 21, 1994PublishedNov 23, 1994Patent grantedMarch 10, 1999Term endedApril 21, 2014

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.