US Patent 9360315 Bubble level

A bubble type level for determining the orientation of a structure that includes first and second differently oriented bubble vials that are secured within the level body in a manner such that if either 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 thumb screw type connector mechanism that enables the level to be removably interconnected with the structures to be leveled, such as conduit. The level further includes a plurality of longitudinally spaced magnets that are connected to various surfaces of the level and a bulls-eye level that is mounted on the top surface of the level body.