IP Library › Granted Patent US 6,745,827
Granted Patent Utility
US 6,745,827 · Confirmation No. 1243

HEAT EXCHANGER

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2004-04-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-04-21 OATH Oath or Declaration filed 3 View
2004-04-21 LET. Miscellaneous Incoming Letter 1 View
2002-12-09 TRNA Transmittal of New Application 3 View
2002-12-09 DRW Drawings-only black and white line drawings 26 View
2002-09-27 TRNA Transmittal of New Application 1 View
2002-09-27 SPEC Specification 24 View
2002-09-27 CLM Claims 4 View
2002-09-27 ABST Abstract 1 View
2002-09-27 DRW Drawings-only black and white line drawings 26 View
2002-09-27 OATH Oath or Declaration filed 3 View
2002-09-27 LET. Miscellaneous Incoming Letter 1 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 6,745,827
App. No.
10/255,579
Filed
2002-09-27
Granted
2004-06-08
Pub. No.
US20030066633A1
Art Unit
3743
PTA
-49 days