IP Library Granted Patent US 6,690,439
Granted Patent Utility
US 6,690,439 · Confirmation No. 5855

MANUFACTURING METHOD OF CHOLESTERIC LIQUID CRYSTAL COLOR FILTER

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Code Description Pages PDF
2005-04-22 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-12-19 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-12-26 TRNA Transmittal of New Application 2 View
2001-12-26 SPEC Specification 12 View
2001-12-26 CLM Claims 4 View
2001-12-26 ABST Abstract 1 View
2001-12-26 DRW Drawings-only black and white line drawings 2 View
2001-12-26 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,690,439
App. No.
10/025,766
Filed
2001-12-26
Granted
2004-02-10
Pub. No.
US20020080324A1
Art Unit
2815
PTA
-31 days