IP Library Patent Application 09966999
Patent Application Utility Small
App. No. 09/966,999 · Confirmation No. 5646

CORROSION RESISTANCE TREATMENT OF CONDENSING HEAT EXCHANGER STEEL STRUCTURES EXPOSED TO A COMBUSTION ENVIRONMENT

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Code Description Pages PDF
2004-02-06 LET. Miscellaneous Incoming Letter 1 View
2004-02-06 DRW Drawings-only black and white line drawings 5 View
2004-02-06 ARTIFACT Artifact sheet indicating an item has been filed which cannot be scanned 1 View
2003-12-15 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-30 DRW Drawings-only black and white line drawings 6 View
2001-09-28 TRNA Transmittal of New Application 3 View
2001-09-28 SPEC Specification 25 View
2001-09-28 CLM Claims 4 View
2001-09-28 ABST Abstract 1 View
2001-09-28 DRW Drawings-only black and white line drawings 4 View
2001-09-28 OATH Oath or Declaration filed 3 View
2001-09-28 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
09/966,999
Filed
2001-09-28
Granted
2004-04-27
Pub. No.
US20030066631A1
Art Unit
3743
PTA
-202 days