IP Library › Granted Patent US 6,685,902
Granted Patent Utility
US 6,685,902 · Confirmation No. 6840

PROCEDURE AND APPARATUS FOR THE CLEANING OF FLUE GASES CONTAINING SULFUR DIOXIDE

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 Code Description Pages PDF
2003-12-12 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-31 LET. Miscellaneous Incoming Letter 2 View
2001-09-14 TRNA Transmittal of New Application 1 View
2001-09-14 SPEC Specification 18 View
2001-09-14 CLM Claims 8 View
2001-09-14 ABST Abstract 1 View
2001-09-14 DRW Drawings-only black and white line drawings 2 View
2001-09-14 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,685,902
App. No.
09/952,749
Filed
2001-09-14
Granted
2004-02-03
Pub. No.
US20020085961A1
Art Unit
1754
PTA
-170 days