IP Library › Granted Patent US 6,680,872
Granted Patent Utility
US 6,680,872 · Confirmation No. 6433

VIRTUAL GROUND SEMICONDUCTOR MEMORY DEVICE

Inventor: Kenji Hibino
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-11-19 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-03-19 TRNA Transmittal of New Application 4 View
2003-03-19 A.PE Preliminary Amendment 2 View
2003-03-19 SPEC Specification 46 View
2003-03-19 CLM Claims 31 View
2003-03-19 ABST Abstract 1 View
2003-03-19 DRW Drawings-only black and white line drawings 17 View
2003-03-19 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,680,872
App. No.
10/390,770
Filed
2003-03-19
Granted
2004-01-20
Pub. No.
US20030185037A1
Examiner
LE, TOAN K
Art Unit
2824
PTA
0 days