IP Library › Patent Application 10385090
Patent Application Utility Small
App. No. 10/385,090 · Confirmation No. 3822

CONDENSING GAS BOILER FOR RECOLLECTING CONDENSED LATENT HEAT USING UPTREND COMBUSTION

Inventor: Youn Cheol Shin
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2003-10-24 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-24 LET. Miscellaneous Incoming Letter 3 View
2003-10-24 DRW Drawings-only black and white line drawings 4 View
2003-03-10 TRNA Transmittal of New Application 3 View
2003-03-10 SPEC Specification 10 View
2003-03-10 CLM Claims 2 View
2003-03-10 ABST Abstract 1 View
2003-03-10 DRW Drawings-only black and white line drawings 4 View
2003-03-10 OATH Oath or Declaration filed 1 View
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Quick Facts
App. No.
10/385,090
Filed
2003-03-10
Granted
2003-12-16
Art Unit
3749
PTA
0 days