IP Library › Granted Patent US 6,638,644
Granted Patent Utility
US 6,638,644 · Confirmation No. 5847

ELECTROLUMINESCENT DEVICES HAVING DIARYLANTHRACENE POLYMERS

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 Code Description Pages PDF
2011-03-29 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2010-04-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-04-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-03-31 PA.. Power of Attorney 2 View
2003-08-29 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-08-28 TRNA Transmittal of New Application 1 View
2001-08-28 SPEC Specification 39 View
2001-08-28 CLM Claims 10 View
2001-08-28 ABST Abstract 1 View
2001-08-28 DRW Drawings-only black and white line drawings 4 View
2001-08-28 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,638,644
App. No.
09/941,120
Filed
2001-08-28
Granted
2003-10-28
Pub. No.
US20030082402A1
Art Unit
1774
PTA
-26 days