US Patent 7856760 Pre-hung door assembly installation kit

A kit for installing a door assembly including a plurality of door frame brackets adapted to be attached to a door frame and to a wall having an opening in which the door assembly is to be installed and a lockset bracket adapted to be attached to a lockset hole formed in an edge surface of the door and to the door frame, the lockset bracket being operable to fix the door in relation to the door frame and the door frame brackets being operable to fix the door assembly relative to the opening.