IP Library Granted Patent US 6,643,941
Granted Patent Utility
US 6,643,941 · Confirmation No. 4922

VEHICLE COMPASS SYSTEM WITH CONTINUOUS AUTOMATIC CALIBRATION

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Code Description Pages PDF
2009-04-07 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2005-04-07 COCOUT Certificate of Correction - Post Issue Communication 1 View
2003-09-11 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-11 LET. Miscellaneous Incoming Letter 1 View
2001-07-24 TRNA Transmittal of New Application 3 View
2001-07-24 A.PE Preliminary Amendment 5 View
2001-07-24 SPEC Specification 56 View
2001-07-24 CLM Claims 14 View
2001-07-24 ABST Abstract 1 View
2001-07-24 DRW Drawings-only black and white line drawings 21 View
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Quick Facts
Patent No.
US 6,643,941
App. No.
09/912,273
Filed
2001-07-24
Granted
2003-11-11
Pub. No.
US20020035791A1
Art Unit
2859
PTA
-4 days