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App. No. 09/960,640 · Confirmation No. 5217

SIMULTANEOUS AMMONIA AND FLUORIDE TREATMENT FOR WASTEWATER

Inventor: Gerald A. Krulik
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
2002-06-05 TRNA Transmittal of New Application 3 View
2002-06-05 SPEC Specification 13 View
2002-06-05 CLM Claims 9 View
2002-06-05 ABST Abstract 1 View
2002-03-06 TRNA Transmittal of New Application 6 View
2002-03-06 DRW Drawings-only black and white line drawings 2 View
2002-03-06 OATH Oath or Declaration filed 2 View
2001-09-21 TRNA Transmittal of New Application 1 View
2001-09-21 SPEC Specification 12 View
2001-09-21 CLM Claims 9 View
2001-09-21 ABST Abstract 1 View
2001-09-21 DRW Drawings-only black and white line drawings 2 View
2001-09-21 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/960,640
Filed
2001-09-21
Granted
2003-11-25
Pub. No.
US20020148790A1
Art Unit
1724
PTA
-169 days