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Expired European patentEurope

Energy control method for an inkjet print cartridge

EP 0953446 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 29, 1999 and granted August 24, 2005. A European patent lasts at most 20 years from filing, so its term ended April 29, 2019.
  • 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 29, 2024.
  • 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 29, 1999
PublishedNovember 3, 1999
GrantedAugust 24, 2005
Term endedApril 29, 2019
Application numberEP 99303360
Classification (CPC)B41J29/393 +2 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedApril 29, 1999PublishedNov 3, 1999Patent grantedAug 24, 2005Term endedApril 29, 2019

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.