The Patent Finder

Copper Refineries Pty Ltd

Also on record
Records under this name other than patents Copper Refineries Pty Ltd holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 6 of 6 · Back to Copper Refineries Pty Ltd

PatentTitleStatus Expires Confidence
US 6,632,333Device for separating metal deposit from a cathode
Term ended
Term ended Sep 20, 2021 · From the USPTO record
Term endedTerm ended Sep 20, 2021From the USPTO record
US 6,814,847Method and apparatus for electro-deposition of metal
Lapsed on the fee record
Ended Nov 9, 2008 · From the USPTO record
Lapsed on the fee recordEnded Nov 9, 2008From the USPTO record
US 4,186,074Cathode for use in the electrolytic refining of copper
Formerly held
Term ended
Term ended no later than Jan 29, 2000 · Low confidence
Term endedTerm ended no later than Jan 29, 2000Low confidence
US 4,395,175Process for treating scrap anodes and apparatus therefor
Term ended
Term ended no later than Jul 26, 2003 · Low confidence
Term endedTerm ended no later than Jul 26, 2003Low confidence
US 4,924,688Mill roll
Term ended
Term ended no later than May 15, 2010 · Low confidence
Term endedTerm ended no later than May 15, 2010Low confidence
US 5,314,600Edge strip
Term ended
Term ended no later than May 24, 2014 · Low confidence
Term endedTerm ended no later than May 24, 2014Low confidence
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited