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Expired European patentEurope

Storage battery and method of fabricating the same

EP 1079449 B1 · Applicant: SANYO ELECTRIC Co., Ltd.

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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 August 23, 2000 and granted October 25, 2006. A European patent lasts at most 20 years from filing, so its term ended August 23, 2020.
  • 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 February 23, 2026.
  • 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.
FiledAugust 23, 2000
PublishedFebruary 28, 2001
GrantedOctober 25, 2006
Term endedAugust 23, 2020
Application numberEP 00118306
Classification (CPC)H01M10/0431 +2 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedAug 23, 2000PublishedFeb 28, 2001Patent grantedOct 25, 2006Term endedAug 23, 2020

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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