Download Docs
Export

DOORBELL COMMUNICATION SYSTEMS AND METHODS

16/57,169 | U.S. Patent Application

Interested in this case?

Request a Demo Track this case, and find millions of cases like it, let us show you how.
Location ELECTRONIC
Filed Aug. 7, 2018
Examiner HUNG T NGUYEN
Class 340
Art Group 2683
Case Type Utility - 340/521000
Status Abandoned -- Failure to Respond to an Office Action
Parent 16/54,961 Abandoned
Parent 14/861,613 Patented
Parent 14/737,411 Patented
Child 16/681,202 Pending
Child 16/920,611 Pending
Last Updated: 2 years ago
Date # Transaction