U.S. federal trademark · Serial No. 90619478
This is an app idea that needs to be protected so no one steels it. It allows a user to hang up their cell like an old house phone. The person on the other line will hear the slam of the receiver hitting the base of the old phone then the dial tone. Just flip your cell face down on a soft service and the app works
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.