Patent ID: 8327944

Claim:
Apparatus configured for non-invasive attachment of a whipstock to a mill/drill bit, said mill/drill bit including a shank portion, a plurality of cutting blades extending below the shank portion to define an outer gage of the mill/drill bit and cutting face of the mill/drill bit, and at least one junkslot between two of the plurality of cutting blades, comprising: an upper collar adapted for installation around the shank of the mill/drill bit; at least one connecting member mounted at a first end to the upper collar above the cutting blades and extending downwardly therefrom, the connecting member extending through the junkslot of the mill/drill bit, the connecting member having a length which is long enough to extend to a second end below the cutting face of the mill/drill bit; and a whipstock attachment structure mounted to the second end of the at least one connecting member.