IP Library › Granted Patent US 6,823,727
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US 6,823,727 · Confirmation No. 1377

DEVICE HAVING A SENSOR ARRANGEMENT FOR DETERMINING THE AMBIENT-AIR QUALITY AND AN ARRANGEMENT OF OZONE SENSORS UPSTREAM AND DOWNSTREAM OF A RADIATOR WHICH IS COATED WITH A CATALYST MATERIAL, AND METHOD FOR OPERATING A DEVICE OF THIS TYPE

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2004-03-08 CTNF Non-Final Rejection 7 View
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2002-09-27 PEFN Pre-Exam Formalities Notice 1 View
2002-08-27 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2002-08-27 SRFW Search information including classification, databases and other search related notes 1 View
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Quick Facts
Patent No.
US 6,823,727
App. No.
10/229,663
Filed
2002-08-27
Granted
2004-11-30
Pub. No.
US20030066335A1
Art Unit
2855
PTA
-63 days