IP Library › Granted Patent US 6,721,168
Granted Patent Utility
US 6,721,168 · Confirmation No. 8168

ELECTRIC DOUBLE-LAYER CAPACITOR AND CARBON MATERIAL THEREFOR

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2013-09-25 OATH Oath or Declaration filed 3 View
2005-08-22 COCOUT Certificate of Correction - Post Issue Communication 1 View
2005-01-25 COCOUT Certificate of Correction - Post Issue Communication 1 View
2004-12-14 C.AD Change of Address 1 View
2003-09-15 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-15 LET. Miscellaneous Incoming Letter 2 View
2003-09-15 FRPR Certified Copy of Foreign Priority Application 62 View
2001-10-01 TRNA Transmittal of New Application 3 View
2001-10-01 DRW Drawings-only black and white line drawings 20 View
2001-10-01 LET. Miscellaneous Incoming Letter 1 View
2001-07-02 TRNA Transmittal of New Application 2 View
2001-07-02 SPEC Specification 35 View
2001-07-02 CLM Claims 4 View
2001-07-02 ABST Abstract 1 View
2001-07-02 DRW Drawings-only black and white line drawings 18 View
2001-07-02 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,721,168
App. No.
09/897,726
Filed
2001-07-02
Granted
2004-04-13
Pub. No.
US20020039275A1
Examiner
HA, NGUYEN T
Art Unit
2831
PTA
-120 days