IP Library Granted Patent US 6,539,737
Granted Patent Utility
US 6,539,737 · Confirmation No. 4990

COMBINED COOLING PLANT AND HEAT PUMP, ESPECIALLY FOR THE HEATING AND COOLING OF THE PASSENGER CELLS OF MOTOR VEHICLE

Inventor: Peter Heyl
⬇ PDF
Code Description Pages PDF
2002-04-13 TRNA Transmittal of New Application 5 View
2002-04-13 SPEC Specification 11 View
2002-04-13 CLM Claims 4 View
2002-04-13 ABST Abstract 1 View
2002-04-13 DRW Drawings-only black and white line drawings 3 View
2002-04-13 OATH Oath or Declaration filed 2 View
2002-04-13 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 6,539,737
App. No.
10/122,818
Filed
2002-04-13
Granted
2003-04-01
Pub. No.
US20020148244A1
Art Unit
3744
PTA
-71 days