IP Library › Granted Patent US 6,647,932
Granted Patent Utility
US 6,647,932 · Confirmation No. 3092

COMPACT BOILER WITH TANKLESS HEATER FOR PROVIDING HEAT AND DOMESTIC HOT WATER AND METHOD OF OPERATION

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2003-08-05 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-06-21 TRNA Transmittal of New Application 2 View
2002-06-21 SPEC Specification 13 View
2002-06-21 CLM Claims 6 View
2002-06-21 ABST Abstract 1 View
2002-06-21 DRW Drawings-only black and white line drawings 4 View
2002-06-21 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,647,932
App. No.
10/175,889
Filed
2002-06-21
Granted
2003-11-18
Art Unit
3749
PTA
0 days