IP Library › Granted Patent US 6,722,121
Granted Patent Utility
US 6,722,121 · Confirmation No. 2596

CONTROL STRATEGY FOR REGENERATING A NOX ADSORBER CATALYST IN AN EXHAUST SYSTEM OF AN ENGINE HAVING A VARIABLE VALVE ACTUATION MECHANISM

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2004-02-17 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-07-22 TRNA Transmittal of New Application 3 View
2002-07-22 SPEC Specification 11 View
2002-07-22 CLM Claims 7 View
2002-07-22 ABST Abstract 1 View
2002-07-22 DRW Drawings-only black and white line drawings 3 View
2002-07-22 OATH Oath or Declaration filed 11 View
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Quick Facts
Patent No.
US 6,722,121
App. No.
10/200,711
Filed
2002-07-22
Granted
2004-04-20
Pub. No.
US20040011025A1
Examiner
TRAN, BINH Q
Art Unit
3748
PTA
0 days