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Australian application, no grantAustraliaSolo inventor

Improvements in or relating to high frequency circuit arrangements thermionic valve transmitters andthe like

AU 1928017408

AusPat record

Overview

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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 December 17, 1928. Even if it was granted, its term would have ended by December 17, 1949.
  • A pharmaceutical extension adds at most five years, so even that would have ended by December 17, 1954.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 17, 1928
GrantedNo grant recorded
Term ended byDecember 17, 1949
Application numberAU 1928017408
Classification (IPC)—

Timeline

Timeline From IP Australia dates

1929193219351938194119441947Application filedDec 17, 1928Term ended byDec 17, 1949

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.