Patent ID: 7743855

Claim:
A rolling cone drill bit for drilling a borehole having a gage diameter and a borehole bottom and a borehole sidewall, the bit comprising: a bit body having a bit axis; at least one rolling cone cutter mounted on the bit body for rotation about a cone axis and having a first surface for cuffing the borehole bottom and second surface for cutting the borehole sidewall; a plurality of cutter elements secured to said cone cutter; at least a first of said cutter elements comprising a base portion retained in said cone cutter, and a cutting portion extending in a first direction from said base portion to a peak; wherein said cutting portion comprises a generally planar surface having a generally polygonal shape and sloping from said peak toward said base; wherein said generally polygonal shape includes a first corner adjacent the peak, a first side extending from the first corner towards the base, and a second side extending from the first corner towards the base, wherein the second side diverges from the first side as it extends towards the base; wherein said cuffing portion further comprising a side surface having three or more facets extending between said base and said generally planar surface.