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Expired Australian patentAustralia

Discharge methods and electrodes for generating plasmas at one atmosphere of pressure and materials treated therewith

AU 1997014274 · Applicant: The University Of Tennessee Research Corporation

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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 June 19, 1996 and granted May 25, 2000. 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 June 19, 2017.
  • A pharmaceutical extension adds at most five years, so even that would have ended by June 19, 2022.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 19, 1996
GrantedMay 25, 2000
Term ended byJune 19, 2017
Application numberAU 1997014274
Classification (IPC)H01J37/32 +1 more

Timeline

Timeline From IP Australia dates

1997200020032006200920122015Application filedJune 19, 1996Patent grantedMay 25, 2000Term ended byJune 19, 2017

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.