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HIGH NITROGEN AND OTHER INERT GAS ANTI-CORROSION PROTECTION IN WET PIPE FIRE PROTECTION SYSTEM

14/341,398 | U.S. Patent Application

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Location ELECTRONIC
Filed July 25, 2014
Examiner QINGZHANG ZHOU
Class 169
Art Group 3752
Patent No. 10,188,885
Case Type Utility - 169/016000
Status Patented Case
Parent 13/48,596 Patented
Parent PCT/US2009/056000 -
Parent 12/210,555 Patented
Parent 61/357,297 Expired
Child 16/174,561 Pending
Child 16/259,974 Pending
Last Updated: 5 years, 11 months ago
Date # Transaction