Patent ID: 7341119

Claim:
A drill bit, comprising: a drill bit body defining a gage diameter at which the rolling cone rock bit is designed to drill a borehole; a first leg on said drill bit body; a rolling cone attached to said first leg at a lower end of said drill bit body, a most upper portion of said rolling cone being at a first height and a most lower portion of said rolling cone being at a second height, said rolling cone including at least one cutter, each cutter cutting to less than said gage diameter; at least one cutting element on said first leg, said at least one cutting element located between said first and second heights; a second leg on said drill bit body; a second rolling cone attached to said second leg at a lower end of said drill bit body, a most upper portion of said second rolling cone being at a third height; and at least one cutting element on said second leg, said at least one cutting element on said second leg located below said third height.