IP Library › Granted Patent US 6,705,428
Granted Patent Utility
US 6,705,428 · Confirmation No. 5302

EXHAUST GAS SYSTEM WITH HELMHOLTZ RESONATOR

Inventor: Gunter Kudernatsch
Patented Case View Patent ↗ View Publication ↗
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2013-08-08 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-11-07 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-08-21 LET. Miscellaneous Incoming Letter 1 View
2001-11-26 TRNA Transmittal of New Application 2 View
2001-11-26 A.PE Preliminary Amendment 9 View
2001-11-26 SPEC Specification 15 View
2001-11-26 ABST Abstract 1 View
2001-11-26 DRW Drawings-only black and white line drawings 2 View
2001-11-26 OATH Oath or Declaration filed 3 View
2001-11-26 LET. Miscellaneous Incoming Letter 15 View
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Quick Facts
Patent No.
US 6,705,428
App. No.
09/991,967
Filed
2001-11-26
Granted
2004-03-16
Pub. No.
US20020108810A1
Art Unit
2837
PTA
-287 days