Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Reexamination Certificate
2008-05-20
2008-05-20
Gay, Jennifer H (Department: 3672)
Boring or penetrating the earth
Bit or bit element
Specific or diverse material
C175S428000
Reexamination Certificate
active
07373998
ABSTRACT:
Cutting elements having a slanted top surface for an improved cutter to blade transition, the slanted top surface being integratable into a receiving pocket of a bit blade such that the slanted top surface and the perimeter of the receiving pocket are relatively contiguous when the slanted cutter is mounted within the receiving pocket. Also, a bit with slanted cutters as well as a method of manufacturing a bit having slanted cutters.
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Cariveau Peter Thomas
White Thomas B.
Andrews David
Gay Jennifer H
Osha & Liang LLP
Smith International Inc.
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