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DOORBELL COMMUNICATION SYSTEMS AND METHODS

17/187,675 | U.S. Patent Application

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Location ELECTRONIC
Filed Feb. 26, 2021
Examiner JARED T WALKER
Class 340
Art Group 2426
Patent No. 11,102,027
Case Type Utility - 340/393300
Status Patented Case
Parent 17/105,372 Abandoned
Parent 16/54,961 Abandoned
Parent 14/861,613 Patented
Parent 14/726,517 Patented
Parent 14/589,830 Patented
Parent 14/502,601 Patented
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Last Updated: 11 months, 2 weeks ago
Date # Transaction