Australian application, no grantAustralia
Improvements in vertical type gas retorts
AU 1921001641 · Applicant: Continuously Acting Vertical Type Which File Greater The Throughput And Volume Of Lomay He Operated
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 May 5, 1921. Even if it was granted, its term would have ended by May 5, 1942.
- A pharmaceutical extension adds at most five years, so even that would have ended by May 5, 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.
FiledMay 5, 1921
GrantedNo grant recorded
Term ended byMay 5, 1942
Application numberAU 1921001641
Classification (IPC)C10B1/04 +2 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.