Patent ID: 6966119

Claim:
A level for installing a jamb comprising: a horizontal component disposable on a horizontal side of a jamb, comprising: a first overlying member comprising a first terminal end opposite to a second terminal end; a second overlying member comprising a first terminal end opposite to a second terminal end; and an adjustor means comprising a first terminal end opposite to a second terminal end; wherein the first terminal end of the adjustor means is slidably engaged with the second terminal end of the first overlying member and the second terminal end of the adjustor means is slidably engaged with the first terminal end of the second overlying member such that a length of the horizontal component is adjustable; a first vertical component attachable to a first vertical side of the jamb, comprising a first terminal end opposite to a second terminal end, wherein the first terminal end of the first vertical component is joined to the first terminal end of the first overlying member; a second vertical component attachable to a second vertical side of the jamb, comprising a first terminal end opposite to a second terminal end, wherein the first terminal end of the second vertical component is joined to the second terminal end of the second overlying member; and a leveling means disposed onto a surface of at least one of the first vertical component and the second vertical component, wherein the leveling means comprises a slotted assembly comprising: a tab comprising: a body having a length that extends transversely across and over the surface of the vertical component such that the tab protrudes over the respective vertical side of the jamb; and a slot extending along a portion of the length of the body; and an adjustor element slidably engaged with the slot, wherein the adjustor element can be loosened to allow the tab to be slidably moved across the vertical component, the vertical side of the jamb, and across an adjacent area of a wall to which the jamb is installed, and further wherein the adjustor element can be tightened to hold the level in position; wherein the level squares, levels, and plumbs the jamb.