Multiple diameter cutting elements and bits incorporating...

Details Multiple diameter cutting elements and bits incorporating... Multiple diameter cutting elements and bits incorporating...

2004-08-17

2008-12-09

Chilcot, Jr., Richard E. (Department: 3635)

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

Reexamination Certificate

active

07461709

ABSTRACT:
Cutting elements are provided having multiple diameter sections. Also provided are bits incorporating such cutting elements.

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