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App. No. 10/058,441 · Confirmation No. 7448

FILTRATION AND PURIFICATION METHOD FOR AQUEOUS ACIDS

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
2003-09-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-01-28 TRNA Transmittal of New Application 3 View
2002-01-28 SPEC Specification 14 View
2002-01-28 CLM Claims 3 View
2002-01-28 ABST Abstract 1 View
2002-01-28 DRW Drawings-only black and white line drawings 3 View
2002-01-28 OATH Oath or Declaration filed 8 View
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Quick Facts
App. No.
10/058,441
Filed
2002-01-28
Granted
2003-11-18
Pub. No.
US20020125189A1
Examiner
KIM, SUN U
Art Unit
1723
PTA
-4 days