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Expired European patentEurope

A bipolar battery cell with a discharge circuit and assembled battery for a vehicle

EP 1704616 B1 · Applicant: NISSAN MOTOR COMPANY LIMITED

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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 November 1, 2005 and granted August 29, 2012. A European patent lasts at most 20 years from filing, so its term ended November 1, 2025.
  • 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.
FiledNovember 1, 2005
PublishedSeptember 27, 2006
GrantedAugust 29, 2012
Term endedNovember 1, 2025
Application numberEP 05802011
Classification (CPC)H01M10/42 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedNov 1, 2005PublishedSep 27, 2006Patent grantedAug 29, 2012Term endedNov 1, 2025

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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