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Australian application, no grantAustralia

Improvements in or relating to sliding valves

AU 1951005936 · Applicant: Vickersarmstrongs Load Ls Reduced During The Aforesaid Initial Limited A Company Organised Underthe And Final Stages Laws Of Great Britain Carrying On Business As Manufacturers At Vickers House Broad According Tothe Invention A Slidi

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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 October 26, 1951. Even if it was granted, its term would have ended by October 26, 1972.
  • A pharmaceutical extension adds at most five years, so even that would have ended by October 26, 1977.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 26, 1951
GrantedNo grant recorded
Term ended byOctober 26, 1972
Application numberAU 1951005936
Classification (IPC)—

Timeline

Timeline From IP Australia dates

1952195519581961196419671970Application filedOct 26, 1951Term ended byOct 26, 1972

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.