Patent ID: 7370429

Claim:
A wall hanging capable of indicating an off-level condition, the wall hanging comprising: a frame member having a forward side and an opposing rearward side, the rearward side being adapted to be disposed adjacent a wall supporting the wall hanging mounted thereon; and an off-level indicating device operably engaged with the frame member, the off-level indicating device comprising: a level indicating switch configured to generate an off-level signal only when the level indicating switch is oriented at an acute angle relative to a horizontal axis; and a signal element in communication with the level indicating switch and configured to be capable of receiving the off-level signal therefrom and generating a perceptible visible output in response to the off-level signal, at least one of the signal element and the level indicating switch being operably engaged with the rearward side of the frame member so as to be concealed with respect to the forward side of the frame member.