Australian application, no grantAustralia
Improvements in or relating furnaces for the utiliztion of bituminous shale and the like by distillation and subsequent combustion
AU 1922009994 · Applicant: Karl Engen Larsson Sven Wilhelm Bergh
Overview
Drawings and full text
Its specification, documents and status are on IP Australia's AusPat.
Open the AusPat recordRead the whole patent
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 November 20, 1922. Even if it was granted, its term would have ended by November 20, 1943.
- A pharmaceutical extension adds at most five years, so even that would have ended by November 20, 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.
FiledNovember 20, 1922
GrantedNo grant recorded
Term ended byNovember 20, 1943
Application numberAU 1922009994
Classification (IPC)C10B1/00 +1 more
Timeline
Timeline From IP Australia dates
Sources & verification
Official IP Australia records
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.