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PRESSURE RELIEF DEVICE

17/456,004 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 22, 2021
Examiner PAUL J GRAY
Class 137
Art Group 3753
Patent No. 11,692,635
Case Type Utility - 137/494000
Status Patented Case
Parent 17/138,391 Patented
Parent PCT/US2020/061982 -
Parent 62/939,993 Expired
Child 18/319,675 Pending
Last Updated: 5 months, 3 weeks ago
Date # Transaction