Nirsystems Incorporated, a Corp. of De
Records under this name other than patents Nirsystems Incorporated, a Corp. of De holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,260,262 | Grain quality analyzer Term ended Term ended no later than Apr 7, 2001 · Low confidence | Term ended | Term ended no later than Apr 7, 2001 | Low confidence |
| US 4,264,205 | Rapid scan spectral analysis system utilizing higher order spectral reflections of holographic diffraction gratings Term ended Term ended no later than Apr 28, 2001 · Low confidence | Term ended | Term ended no later than Apr 28, 2001 | Low confidence |
| US 4,285,596 | Holographic diffraction grating system for rapid scan spectral analysis Term ended Term ended no later than Aug 25, 2001 · Low confidence | Term ended | Term ended no later than Aug 25, 2001 | Low confidence |
| US 4,400,086 | Instrument for grinding and analyzing material in ground state Term ended Term ended no later than Aug 23, 2003 · Low confidence | Term ended | Term ended no later than Aug 23, 2003 | Low confidence |
| US 4,422,760 | Optical analyzing instrument having vibrating trough Term ended Term ended no later than Dec 27, 2003 · Low confidence | Term ended | Term ended no later than Dec 27, 2003 | Low confidence |
| US 4,443,108 | Optical analyzing instrument with equal wavelength increment indexing Term ended Term ended no later than Apr 17, 2004 · Low confidence | Term ended | Term ended no later than Apr 17, 2004 | Low confidence |
| US 4,538,908 | Particulate sample analyzing instrument employing vibration to compact the sample Term ended Term ended no later than Sep 3, 2005 · Low confidence | Term ended | Term ended no later than Sep 3, 2005 | Low confidence |
| US 4,566,791 | Fluid sample cell comprising Fresnel sectors Term ended Term ended no later than Jan 28, 2006 · Low confidence | Term ended | Term ended no later than Jan 28, 2006 | Low confidence |
| US 4,580,901 | Fluid sample cell Term ended Term ended no later than Apr 8, 2006 · Low confidence | Term ended | Term ended no later than Apr 8, 2006 | Low confidence |
| US 4,602,243 | Analog-to-digital conversion and averaging system for an optical analyzing instrument Term ended Term ended no later than Jul 22, 2006 · Low confidence | Term ended | Term ended no later than Jul 22, 2006 | Low confidence |