IP Library › Granted Patent US 6,589,497
Granted Patent Utility
US 6,589,497 · Confirmation No. 6652

PROCESS FOR PREPARING SODA ASH FROM SOLUTION MINED BICARBONATE BRINES

Inventor: David E. Smith
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2019-11-20 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2016-11-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-11-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-10-19 PA.. Power of Attorney 2 View
2016-10-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2015-07-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-07-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-07-16 PA.. Power of Attorney 1 View
2015-07-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2015-07-16 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2008-10-17 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-17 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-07 PET.POA.WDRW Request for withdrawal as attorney or agent 1 View
2008-10-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-06-13 TRNA Transmittal of New Application 2 View
2001-06-13 SPEC Specification 20 View
2001-06-13 CLM Claims 5 View
2001-06-13 ABST Abstract 1 View
2001-06-13 DRW Drawings-only black and white line drawings 2 View
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Quick Facts
Patent No.
US 6,589,497
App. No.
09/880,566
Filed
2001-06-13
Granted
2003-07-08
Pub. No.
US20020192140A1
Art Unit
1754
PTA
-6 days