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Australian application, no grantAustralia

Improvements in or relating to methods and contrivances for use in connection with the raising repair or other manipulations of submerged or sunken vessels

AU 1921000403 · Applicant: Accessories Used Inthe Salvage Or Figure 5 Isa Sectional View Ofa Tank Or Repair Of Submerged Or Sunken Vessels And Working Chamber For Operating Ona Sunken More Particularly Inthe Salvage Of Such Vessel The Tank

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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 February 2, 1921. Even if it was granted, its term would have ended by February 2, 1942.
  • A pharmaceutical extension adds at most five years, so even that would have ended by February 2, 1947.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 2, 1921
GrantedNo grant recorded
Term ended byFebruary 2, 1942
Application numberAU 1921000403
Classification (IPC)B63C11/52 +2 more

Timeline

Timeline From IP Australia dates

1922192519281931193419371940Application filedFeb 2, 1921Term ended byFeb 2, 1942

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.