Patent ID: 7225570

Claim:
A tab for attaching to sheet material, the tab comprising: a substrate including a front side and a back side opposite the front side, the substrate further including an upper portion, a middle portion, and a lower portion, wherein corners of the upper portion are shaped differently from corners of the lower portion, the differently shaped corners providing at least one of a visual signal and a tactile signal to a user to distinguish the upper portion from the bottom portion of the tab; a cut through the middle portion of the substrate to form a flap; an adhesive along the upper portion of the back side and along the lower portion of the back side of the substrate, wherein the middle portion is free of adhesive; and a fold-line through the middle portion which allows the substrate to be folded, wherein when the substrate is folded along the fold-line the flap extends beyond the fold-line and the back side of the upper portion faces the back side of the middle portion.