IP Library › Granted Patent US 6,694,825
Granted Patent Utility
US 6,694,825 · Confirmation No. 3430

METHOD AND APPARATUS FOR FLOW CONTROL OF NH3

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2015-05-15 SES.LOSS Notification of loss of entitlement to small entity status 2 View
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2013-04-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
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2013-03-25 PA.. Power of Attorney 1 View
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2013-03-25 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2003-12-31 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-10-20 LET. Miscellaneous Incoming Letter 1 View
2003-10-20 DRW Drawings-only black and white line drawings 8 View
2002-07-08 TRNA Transmittal of New Application 1 View
2002-07-08 DRW Drawings-only black and white line drawings 8 View
2002-03-27 TRNA Transmittal of New Application 1 View
2002-03-27 A.PE Preliminary Amendment 6 View
2002-03-27 SPEC Specification 25 View
2002-03-27 CLM Claims 4 View
2002-03-27 ABST Abstract 1 View
2002-03-27 DRW Drawings-only black and white line drawings 8 View
2002-03-27 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,694,825
App. No.
10/107,846
Filed
2002-03-27
Granted
2004-02-24
Pub. No.
US20020170362A1
Art Unit
2855
PTA
-171 days