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DOORBELL CHIME SYSTEMS AND METHODS

14/724,723 | U.S. Patent Application

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Location ELECTRONIC
Filed May 28, 2015
Examiner JARED T WALKER
Class 348
Art Group 2486
Patent No. 9,179,108
Case Type Utility - 348/143000
Status Patented Case
Parent 62/161,616 Expired
Parent 14/695,436 Patented
Parent 14/684,302 Patented
Parent 62/135,133 Expired
Parent 62/16,057 Expired
Parent 62/16,053 Expired
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Last Updated: 4 years, 2 months ago
Date # Transaction