Patent ID: 8739412

Claim:
A utility knife blade, comprising: a flat body having a cutting edge, the body having a central axis normal to the cutting edge and the body being adapted for mounting in a utility knife, the body having a forward tip end and a rearward tip end, the cutting edge extending substantially linearly from the forward tip end to the rearward tip end and interrupted by at least one slot extending through the cutting edge partially into the body, wherein the at least one slot has substantially no cutting edge, a first slot of the at least one slot defining a slot length and being located between the central axis and one of the forward tip end or the rearward tip end, the first slot being on the same lateral side of the central axis as the one tip end so that the first slot is adapted for engaging a retractable tape measure strip adjacent a hook end of the retractable tape measure strip with the one tip end extending below the hook end in order to score a sheet of drywall a measured distance from an edge of the drywall, wherein the cutting edge extends from a pointed end at the one tip end continuously to the first slot and continues from the first slot towards the other tip end, the slot length of the first slot extending away from the cutting edge and away from the central axis towards the one tip end at an angle relative to the central axis.