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App. No. 09/960,614 · Confirmation No. 7151

SYSTEM AND METHOD FOR REMOVAL OF FLUORIDE FROM WASTEWATER USING SINGLE FLUORIDE SENSING ELECTRODE

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
2003-08-11 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-11 LET. Miscellaneous Incoming Letter 1 View
2003-08-11 OATH Oath or Declaration filed 6 View
2002-04-29 TRNA Transmittal of New Application 4 View
2002-04-29 DRW Drawings-only black and white line drawings 6 View
2002-04-29 OATH Oath or Declaration filed 4 View
2001-09-21 TRNA Transmittal of New Application 1 View
2001-09-21 SPEC Specification 13 View
2001-09-21 CLM Claims 3 View
2001-09-21 ABST Abstract 1 View
2001-09-21 DRW Drawings-only black and white line drawings 6 View
2001-09-21 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/960,614
Filed
2001-09-21
Granted
2003-11-11
Pub. No.
US20020117456A1
Art Unit
1723
PTA
-209 days