IP Library Granted Patent US 6,672,051
Granted Patent Utility
US 6,672,051 · Confirmation No. 5146

EXHAUST EMISSION PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE

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Code Description Pages PDF
2003-11-10 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-03-30 TRNA Transmittal of New Application 3 View
2001-03-30 SPEC Specification 15 View
2001-03-30 CLM Claims 6 View
2001-03-30 ABST Abstract 1 View
2001-03-30 DRW Drawings-only black and white line drawings 3 View
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Quick Facts
Patent No.
US 6,672,051
App. No.
09/821,037
Filed
2001-03-30
Granted
2004-01-06
Pub. No.
US20010045091A1
Art Unit
3748
PTA
-49 days