Expired Australian patentAustralia
Container made of aluminum and stainless steel for forming self-baking electrodes for use in low electric reduction furnaces
AU 2000022721 · Applicant: Companhia Brasileira Carbureto De Calcio
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 January 31, 2000 and granted June 26, 2003. An Australian standard patent lasts 20 years from its date of patent, which is at most a year after this filing, so its term ended by January 31, 2021.
- A pharmaceutical extension adds at most five years, so even that would have ended by January 31, 2026.
- We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 31, 2000
GrantedJune 26, 2003
Term ended byJanuary 31, 2021
Application numberAU 2000022721
Classification (IPC)H05B7/09
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.