IP Library › Granted Patent US 6,613,229
Granted Patent Utility
US 6,613,229 · Confirmation No. 2521

WASTE TREATMENT METHOD AND APPARATUS WITH DENITRIFICATION CHAMBER

Inventor: Donald D. Ricketts
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2020-09-24 SES.LOSS.ELC Notification of loss of entitlement to small entity status via Patent Application Information Retrieval (PAIR) 1 View
2015-04-28 OATH Oath or Declaration filed 4 View
2013-03-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-03-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-12-21 C.AD Change of Address 1 View
2010-12-21 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-07-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-02 LET. Miscellaneous Incoming Letter 1 View
2003-07-02 DRW Drawings-only black and white line drawings 3 View
2001-02-16 TRNA Transmittal of New Application 4 View
2001-02-16 SPEC Specification 11 View
2001-02-16 CLM Claims 6 View
2001-02-16 ABST Abstract 1 View
2001-02-16 DRW Drawings-only black and white line drawings 3 View
2001-02-16 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,613,229
App. No.
09/784,033
Filed
2001-02-16
Granted
2003-09-02
Pub. No.
US20020113011A1
Art Unit
1724
PTA
-58 days