Patent ID: 7281335

Claim:
A level assembly comprising: a main level having opposite first and second ends, a base wall extending between the ends, the base wall having opposite top and bottom surfaces, a first end support extending up from the top surface of the base wall at the first end and a second end support extending up from the top surface of the base wall at the second end, at least one intermediate support extending up from the top surface of the base wall and disposed at a first distance from the first end support and at a second distance from the second end support, the first and second distances being different from one another, a first upwardly open receptacle defined adjacent the top surface of the base wall and between the first end support and the intermediate support, a second upwardly open receptacle defined adjacent the top surface of the base wall and between the second end support and the intermediate support; a first auxiliary level releasably mounted to the first receptacle of the main level and extending from the first end support to the intermediate support the first auxiliary level being movable upwardly from the base wall for use independent of the main level; and a second auxiliary level releasably mounted to the second receptacle of the main level and extending from the second end support to the intermediate support the second auxiliary level being movable upwardly from the base wall for use independently of the main level.