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Nirsystems Incorporated, a Corp. of De

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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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PatentTitleStatus Expires Confidence
US 4,260,262Grain quality analyzer
Term ended
Term ended no later than Apr 7, 2001 · Low confidence
Term endedTerm ended no later than Apr 7, 2001Low confidence
US 4,264,205Rapid 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 endedTerm ended no later than Apr 28, 2001Low confidence
US 4,285,596Holographic diffraction grating system for rapid scan spectral analysis
Term ended
Term ended no later than Aug 25, 2001 · Low confidence
Term endedTerm ended no later than Aug 25, 2001Low confidence
US 4,400,086Instrument for grinding and analyzing material in ground state
Term ended
Term ended no later than Aug 23, 2003 · Low confidence
Term endedTerm ended no later than Aug 23, 2003Low confidence
US 4,422,760Optical analyzing instrument having vibrating trough
Term ended
Term ended no later than Dec 27, 2003 · Low confidence
Term endedTerm ended no later than Dec 27, 2003Low confidence
US 4,443,108Optical analyzing instrument with equal wavelength increment indexing
Term ended
Term ended no later than Apr 17, 2004 · Low confidence
Term endedTerm ended no later than Apr 17, 2004Low confidence
US 4,538,908Particulate sample analyzing instrument employing vibration to compact the sample
Term ended
Term ended no later than Sep 3, 2005 · Low confidence
Term endedTerm ended no later than Sep 3, 2005Low confidence
US 4,566,791Fluid sample cell comprising Fresnel sectors
Term ended
Term ended no later than Jan 28, 2006 · Low confidence
Term endedTerm ended no later than Jan 28, 2006Low confidence
US 4,580,901Fluid sample cell
Term ended
Term ended no later than Apr 8, 2006 · Low confidence
Term endedTerm ended no later than Apr 8, 2006Low confidence
US 4,602,243Analog-to-digital conversion and averaging system for an optical analyzing instrument
Term ended
Term ended no later than Jul 22, 2006 · Low confidence
Term endedTerm ended no later than Jul 22, 2006Low confidence
10 of 26 patents shown.
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Pro members: see all 26 patents
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