IP Library Granted Patent US 6,571,866
Granted Patent Utility
US 6,571,866 · Confirmation No. 4199

HEAT EXCHANGER AND METHOD OF MAKING SAME

⬇ PDF
Code Description Pages PDF
2001-10-15 TRNA Transmittal of New Application 5 View
2001-10-15 SPEC Specification 14 View
2001-10-15 CLM Claims 4 View
2001-10-15 ABST Abstract 1 View
2001-10-15 DRW Drawings-only black and white line drawings 3 View
2001-10-15 OATH Oath or Declaration filed 3 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 6,571,866
App. No.
09/977,551
Filed
2001-10-15
Granted
2003-06-03
Pub. No.
US20020092645A1
Art Unit
3743
PTA
-13 days