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

16/259,974 | U.S. Patent Application

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Location ELECTRONIC
Filed Jan. 28, 2019
Examiner QINGZHANG ZHOU
Class 169
Art Group 3752
Patent No. 10,799,738
Case Type Utility - 169/016000
Status Patented Case
Parent 14/341,398 Patented
Parent 13/48,596 Patented
Parent PCT/US09/56000 Published
Parent 61/357,297 Expired
Parent 12/210,555 Patented
Child 16/963,097 Pending
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Last Updated: 3 years, 6 months ago
Date # Transaction