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Expired European patentEurope

Failure determination device for humidity sensor and control system for exhaust passage changeover valve

EP 1203878 B1 · Applicant: HONDA GIKEN KOGYO 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 October 19, 2001 and granted June 28, 2006. A European patent lasts at most 20 years from filing, so its term ended October 19, 2021.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledOctober 19, 2001
PublishedMay 8, 2002
GrantedJune 28, 2006
Term endedOctober 19, 2021
Application numberEP 01124973
Classification (CPC)F01N11/00 +2 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedOct 19, 2001PublishedMay 8, 2002Patent grantedJune 28, 2006Term endedOct 19, 2021

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

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