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Expired Australian patentAustralia

Apparatus and method for magnetically confining molten metal using concentrating fins

AU 1993050641 · Applicant: Inland Steel Company

AusPat record

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Its specification, documents and status are on IP Australia's AusPat.

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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 November 11, 1993 and granted January 16, 1996. An Australian standard patent lasts 20 years from its date of patent, which is at most a year after this filing, so its term ended by November 11, 2014.
  • A pharmaceutical extension adds at most five years, so even that would have ended by November 11, 2019.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 11, 1993
GrantedJanuary 16, 1996
Term ended byNovember 11, 2014
Application numberAU 1993050641
Classification (IPC)B22D11/06 +2 more

Timeline

Timeline From IP Australia dates

1994199720002003200620092012Application filedNov 11, 1993Patent grantedJan 16, 1996Term ended byNov 11, 2014

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.