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Expired European patentEurope

Sealing structure of gas sensor

EP 1167959 B1 · Applicant: DENSO CORPORATION

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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 June 28, 2001 and granted November 23, 2005. A European patent lasts at most 20 years from filing, so its term ended June 28, 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.
FiledJune 28, 2001
PublishedJanuary 2, 2002
GrantedNovember 23, 2005
Term endedJune 28, 2021
Application numberEP 01115582
Classification (CPC)C03C8/24 +2 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedJune 28, 2001PublishedJan 2, 2002Patent grantedNov 23, 2005Term endedJune 28, 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

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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