IP Library › Granted Patent US 6,690,173
Granted Patent Utility
US 6,690,173 · Confirmation No. 2265

A CIRCUIT AND METHOD FOR MEASURING THE CONDUCTIVITY OF AN AQUEOUS SAMPLE

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2012-03-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-03-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-03-01 PA.. Power of Attorney 1 View
2012-03-01 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-03-01 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2003-10-16 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-10-16 DRW Drawings-only black and white line drawings 3 View
2002-08-06 DRW Drawings-only black and white line drawings 10 View
2002-07-02 TRNA Transmittal of New Application 3 View
2002-07-02 SPEC Specification 32 View
2002-07-02 CLM Claims 10 View
2002-07-02 ABST Abstract 1 View
2002-07-02 DRW Drawings-only black and white line drawings 12 View
2002-07-02 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,690,173
App. No.
10/187,021
Filed
2002-07-02
Granted
2004-02-10
Pub. No.
US20030040122A1
Examiner
DEB, ANJAN K
Art Unit
2858
PTA
-177 days