Australian application, no grantAustralia
Improved means of obtaining stereoscopic effects in projected pictures
AU 1920014703 · Applicant: Herbert Dickinson George Anderson William Hepburn
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 March 12, 1920. Even if it was granted, its term would have ended by March 12, 1941.
- A pharmaceutical extension adds at most five years, so even that would have ended by March 12, 1946.
- We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 12, 1920
GrantedNo grant recorded
Term ended byMarch 12, 1941
Application numberAU 1920014703
Classification (IPC)—
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.