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Australian application, no grantAustralia

Improvements inthe method of removing tar fromthe vapours arising fromthe carbonization of wood

AU 1922008063 · Applicant: E Barski & Fils & Gm

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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 July 25, 1922. Even if it was granted, its term would have ended by July 25, 1943.
  • A pharmaceutical extension adds at most five years, so even that would have ended by July 25, 1948.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 25, 1922
GrantedNo grant recorded
Term ended byJuly 25, 1943
Application numberAU 1922008063
Classification (IPC)C10B53/02 +2 more

Timeline

Timeline From IP Australia dates

1923192619291932193519381941Application filedJuly 25, 1922Term ended byJuly 25, 1943

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.