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Australian application, no grantAustralia

Improvements in water tube boilers

AU 1930025843 · Applicant: Surkin Attilio Venzano

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 March 25, 1930. Even if it was granted, its term would have ended by March 25, 1951.
  • A pharmaceutical extension adds at most five years, so even that would have ended by March 25, 1956.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 25, 1930
GrantedNo grant recorded
Term ended byMarch 25, 1951
Application numberAU 1930025843
Classification (IPC)F22B21/12

Timeline

Timeline From IP Australia dates

1931193419371940194319461949Application filedMarch 25, 1930Term ended byMarch 25, 1951

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.