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PRESSURE RELIEF DEVICE

17/138,391 | U.S. Patent Application

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Location ELECTRONIC
Filed Dec. 30, 2020
Examiner PAUL J GRAY
Class 137
Art Group 3753
Patent No. 11,187,336
Case Type Utility - 137/494000
Status Patented Case
Parent PCT/US2020/061982 -
Parent 62/939,993 Expired
Child 17/456,004 Patented
Child 18/319,675 Pending
Last Updated: 1 year, 6 months ago
Date # Transaction