US Patent 9021710 Bubble level

A bubble type level for determining the orientation of a structure that includes a plurality of differently oriented bubble vials that are secured within the level body in a manner such that, if any one of the bubble vials become broken or otherwise damaged, it can be easily replaced and the level need not be discarded. The bubble type level of the invention also includes a novel connector mechanism that enables the level to be removably interconnected with the structure to be leveled. The level further includes a plurality of longitudinally spaced magnets that are connected to the bottom surface of the level and a bulls-eye level that is mounted on the top surface of the level body.