IP Library › Granted Patent US 6,672,375
Granted Patent Utility
US 6,672,375 · Confirmation No. 2422

FIN TUBE HEAT EXCHANGER WITH DIVERGENT TUBE ROWS

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-10-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-07-02 TRNA Transmittal of New Application 4 View
2002-07-02 SPEC Specification 8 View
2002-07-02 CLM Claims 7 View
2002-07-02 ABST Abstract 1 View
2002-07-02 DRW Drawings-only black and white line drawings 2 View
2002-07-02 OATH Oath or Declaration filed 2 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 6,672,375
App. No.
10/189,973
Filed
2002-07-02
Granted
2004-01-06
Pub. No.
US20040003915A1
Art Unit
3743
PTA
0 days