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Ferraz

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Records under this name other than patents Ferraz holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 9 of 9 · Back to Ferraz

PatentTitleStatus Expires Confidence
US 4,631,508Electro-mechanical devices incorporating fuse cartridges
Term ended
Term ended no later than Dec 23, 2006 · Low confidence
Term endedTerm ended no later than Dec 23, 2006Low confidence
US 4,788,622Device for indicating the short-circuiting of a lightning arrester
Term ended
Term ended no later than Nov 29, 2008 · Low confidence
Term endedTerm ended no later than Nov 29, 2008Low confidence
US 4,912,449Operation-indicator device for fuse cartridges for electrical protection
Term ended
Term ended no later than Mar 27, 2010 · Low confidence
Term endedTerm ended no later than Mar 27, 2010Low confidence
US 5,208,495Static power switch incorporating semi-conductor
Term ended
Term ended no later than May 4, 2013 · Low confidence
Term endedTerm ended no later than May 4, 2013Low confidence
US 5,233,495Device for protecting against operational overloads, at opening, for static relays with semi-conductors
Term ended
Term ended no later than Aug 3, 2013 · Low confidence
Term endedTerm ended no later than Aug 3, 2013Low confidence
US 5,260,679Fuse cartridge of the type with functioning indicator
Formerly held
Term ended
Term ended no later than Nov 9, 2013 · Low confidence
Term endedTerm ended no later than Nov 9, 2013Low confidence
US 5,322,642Method of manufacturing semiconductors from homogeneous metal oxide powder
Term ended
Term ended no later than Jun 21, 2014 · Low confidence
Term endedTerm ended no later than Jun 21, 2014Low confidence
US 5,696,390Current limiter component
Term ended
Term ended no later than Dec 9, 2017 · Low confidence
Term endedTerm ended no later than Dec 9, 2017Low confidence
US 5,786,743Fuse cartridge of the type incorporating an operation indicator
Term ended
Term ended no later than Jul 28, 2018 · Low confidence
Term endedTerm ended no later than Jul 28, 2018Low confidence
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