IP Library › Granted Patent US 6,830,843
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US 6,830,843 · Confirmation No. 6970

METHOD FOR CONTROLLING THE QUALITY OF THE COOLANT FOR FUEL CELL SYSTEMS

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2006-08-21 N570 Communication - Re: Power of Attorney (PTOL-308) 2 View
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2004-05-27 REM Applicant Arguments/Remarks Made in an Amendment 13 View
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2003-09-11 CTNF Non-Final Rejection 6 View
2003-09-11 1449 List of References cited by applicant and considered by examiner 1 View
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2003-09-01 SRNT Examiner's search strategy and results 1 View
2003-08-19 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
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2002-01-22 SRFW Search information including classification, databases and other search related notes 1 View
2002-01-22 FWCLM Index of Claims 1 View
2002-01-22 TRNA Transmittal of New Application 1 View
2002-01-22 DRW Drawings-only black and white line drawings 1 View
2002-01-22 SPEC Specification 8 View
2002-01-22 CLM Claims 2 View
2002-01-22 ABST Abstract 1 View
2002-01-22 OATH Oath or Declaration filed 2 View
2002-01-22 WFEE Fee Worksheet (SB06) 1 View
2002-01-22 WCLM Claims Worksheet (PTO-2022) 1 View
2002-01-22 IDS Information Disclosure Statement (IDS) Form (SB08) 2 View
2002-01-22 FOR Foreign Reference 6 View
2002-01-22 FOR Foreign Reference 7 View
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Quick Facts
Patent No.
US 6,830,843
App. No.
10/051,389
Filed
2002-01-22
Granted
2004-12-14
Pub. No.
US20020106543A1
Art Unit
1745
PTA
-61 days