Patent ID: 7377340

Claim:
A rotary cone drill bit comprising a plurality of cutting elements projecting outwardly from rotary cones, at least one of the cutting elements comprising: a crest positioned at a tip portion of cutting element; a first flank surface extending from the crest to the cone; a second flank surface opposite from the first flank surface and extending from the crest to the cone; edge surfaces extending from the crest to the cone and interposed between each of first and second flank surfaces; corners extending from the crest to the cone and defined by the interface between the first and second flank surface and the edge surfaces; a wear resistant surface disposed on the crest and a portion of one or more of the corners, wherein the wear resistant surface extends from the crest to cover a partial portion of the first flank surface that is less than about ⅓ of the length of the first flank surface as defined between the crest and the cone.