Pyramid Optical

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

Showing 1 to 8 of 8 · Back to Pyramid Optical

Patent	Title	Status	Expires	Confidence
US 4,311,382	Universally adjustable ranging target and retro-reflector housing bracket Term ended Term ended no later than Jan 19, 2002 · Low confidence	Term ended	Term ended no later than Jan 19, 2002	Low confidence
US 4,519,674	Retro-reflective prism assembly Formerly held Term ended Term ended no later than May 28, 2005 · Low confidence	Term ended	Term ended no later than May 28, 2005	Low confidence
US 4,550,482	Method of constructing a beam spread lens Term ended Term ended no later than Nov 5, 2005 · Low confidence	Term ended	Term ended no later than Nov 5, 2005	Low confidence
US 4,605,282	Line lens and method of design therefor Formerly held Term ended Term ended no later than Aug 12, 2006 · Low confidence	Term ended	Term ended no later than Aug 12, 2006	Low confidence
US 4,970,794	Prism and sighting target assembly Term ended Term ended no later than Nov 20, 2010 · Low confidence	Term ended	Term ended no later than Nov 20, 2010	Low confidence
US 5,301,435	Prism assembly having multi-directional reflectivity and targeting Term ended Term ended no later than Apr 12, 2014 · Low confidence	Term ended	Term ended no later than Apr 12, 2014	Low confidence
US 5,311,222	Prism assembly Term ended Term ended no later than May 10, 2014 · Low confidence	Term ended	Term ended no later than May 10, 2014	Low confidence
US D307,914	Prism assembly Term ended	Term ended