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Expired Australian patentAustralia

Electrochemical Cell with Improved Internal Contact

AU 2011100221 · Applicant: Eveready Battery Company Inc

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Listed from its IP Australia record in Patent Yard's archive of Australian patents past their term. Its claims, description and drawings are in the AusPat record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed February 25, 2011. An Australian innovation patent lasts at most 8 years from its date of patent, at most a year after this filing, so it ended by February 25, 2020.
  • We check Australian rights only. A patent in its family in another country could still be in force.
FiledFebruary 25, 2011
GrantedMarch 17, 2011
Term ended byFebruary 25, 2020
Application numberAU 2011100221
Classification (IPC)H01M2/22

Timeline

Timeline From IP Australia dates

201220132014201520162017201820192020Application filedFeb 25, 2011Patent grantedMarch 17, 2011Term ended byFeb 25, 2020

Sources & verification

Everything on this page comes from the IP Australia record linked above. Data from IP Australia's IPGOD, licensed under CC BY 2.5 AU.