IP Library › Granted Patent US 6,720,404
Granted Patent Utility
US 6,720,404 · Confirmation No. 4388

POLYCARBONATES FOR OPTICAL USE, AND THEIR APPLICATIONS

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2018-08-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2014-03-17 OATH Oath or Declaration filed 135 View
2004-02-24 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-07-11 LET. Miscellaneous Incoming Letter 1 View
2003-07-11 IDS Information Disclosure Statement (IDS) Form (SB08) 1 View
2002-04-05 TRNA Transmittal of New Application 2 View
2002-04-05 SPEC Specification 27 View
2002-04-05 CLM Claims 1 View
2002-04-05 ABST Abstract 1 View
2002-04-05 DRW Drawings-only black and white line drawings 1 View
2002-04-05 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,720,404
App. No.
10/116,843
Filed
2002-04-05
Granted
2004-04-13
Pub. No.
US20030009002A1
Art Unit
1711
PTA
-29 days