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Expired Australian patentAustraliaSolo inventor

Corrugated steel tanks - manufacturing and structural improvements

AU 2009100827

AusPat record

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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 August 19, 2009. 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 August 19, 2018.
  • We check Australian rights only. A patent in its family in another country could still be in force.
FiledAugust 19, 2009
GrantedSeptember 17, 2009
Term ended byAugust 19, 2018
Application numberAU 2009100827
Classification (IPC)B65D90/08 +2 more

Timeline

Timeline From IP Australia dates

201020112012201320142015201620172018Application filedAug 19, 2009Patent grantedSep 17, 2009Term ended byAug 19, 2018

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.