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DOORBELL COMMUNICATION SYSTEMS AND METHODS

15/205,959 | U.S. Patent Application

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Location ELECTRONIC
Filed July 8, 2016
Examiner MIKHAIL ITSKOVICH
Class 348
Art Group 2483
Case Type Utility - 348/143000
Status Abandoned -- Failure to Respond to an Office Action
Parent 15/156,302 Patented
Parent 14/861,613 Patented
Parent 14/726,517 Patented
Parent 62/158,750 Expired
Parent 14/743,849 Patented
Parent 62/158,750 Expired
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Last Updated: 2 years, 7 months ago
Date # Transaction