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Expired Australian patentAustralia

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AU 1982083255 · Applicant: Plessey Overseas Ltd

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 May 4, 1982 and granted December 5, 1985. 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 May 4, 2003.
  • A pharmaceutical extension adds at most five years, so even that would have ended by May 4, 2008.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 4, 1982
GrantedDecember 5, 1985
Term ended byMay 4, 2003
Application numberAU 1982083255
Classification (IPC)G01M11/02 +2 more

Timeline

Timeline From IP Australia dates

1983198619891992199519982001Application filedMay 4, 1982Patent grantedDec 5, 1985Term ended byMay 4, 2003

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.