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Reexamination of Patent No. 7,229,597, CATALYZED SCR FILTER AND EMISSION TREATMENT SYSTEM

95/1,745 | U.S. Patent Application

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Location ELECTRONIC
Filed Sept. 7, 2011
Examiner CARLOS N LOPEZ
Class 423
Art Group 3991
Case Type Re-Examination - 423/177000
Status Reexamination Certificate issued
Original Case 10/634,659 Patented
Last Updated: 2 years, 6 months ago
Date # Transaction