IP Library Granted Patent US 6,575,577
Granted Patent Utility
US 6,575,577 · Confirmation No. 1600

MULTIPLE LIGHT VALVE LIGHTING DEVICE OR APPARATUS WITH WIDE COLOR PALETTE AND IMPROVED CONTRAST RATIO

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Code Description Pages PDF
2009-07-20 C.AD Change of Address 1 View
2009-07-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-10-05 TRNA Transmittal of New Application 5 View
2001-10-05 SPEC Specification 33 View
2001-10-05 CLM Claims 8 View
2001-10-05 ABST Abstract 1 View
2001-10-05 DRW Drawings-only black and white line drawings 11 View
2001-10-05 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,575,577
App. No.
09/970,845
Filed
2001-10-05
Granted
2003-06-10
Pub. No.
US20020021569A1
Art Unit
2851
PTA
0 days