U.S. federal trademark · Serial No. 86867261
Electronic communications device comprised of computer hardware and software for users to install to a doorbell, enabling the user to select and enable option related to set doorbell, namely, enabling the doorbell's operation, receiving notifications of the doorbell, and defining date and time settings for the doorbell's operation
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.