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UNEQUAL-TORQUE COIL SPRING AND SPRING MOTOR THEREOF

16/240,267 | U.S. Patent Application

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Location ELECTRONIC
Filed Jan. 4, 2019
Examiner SANG K KIM
Class 242
Art Group 3654
Case Type Utility - 242/373000
Status Docketed New Case - Ready for Examination
Parent 15/439,313 Patented
Child 105204038
Last Updated: 6 years, 5 months ago
Date # Transaction