IP Library › Granted Patent US 6,668,804
Granted Patent Utility
US 6,668,804 · Confirmation No. 1694

CONTROL SYSTEM AND METHOD FOR A BI-FUEL ENGINE

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-09-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-02-14 TRNA Transmittal of New Application 2 View
2003-02-14 A.PE Preliminary Amendment 5 View
2003-02-14 SPEC Specification 16 View
2003-02-14 CLM Claims 4 View
2003-02-14 ABST Abstract 1 View
2003-02-14 DRW Drawings-only black and white line drawings 3 View
2003-02-14 OATH Oath or Declaration filed 4 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,668,804
App. No.
10/367,099
Filed
2003-02-14
Granted
2003-12-30
Pub. No.
US20030131827A1
Examiner
KWON, JOHN
Art Unit
3747
PTA
-1 days