Drill Bit

The file of this patent document contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawings will be provided by the United States Patent and Trademark Office upon request and payment of the necessary fee.

FIG. 1 is a perspective view of a drill bit.

FIG. 2 is a first side view of the drill bit of FIG. 1 .

FIG. 3 is a second side view of the drill bit of FIG. 1 .

FIG. 4 is a first end view of the drill bit of FIG. 1 .

FIG. 5 is a second end view of the drill bit of FIG. 1 .

FIG. 6 is a third side view of the drill bit of FIG. 1 .

FIG. 7 is a fourth side view of the drill bit of FIG. 1 .

FIG. 8 is a perspective view of another drill bit.

FIG. 9 is a first side view of the drill bit of FIG. 8 .

FIG. 10 is a second side view of the drill bit of FIG. 8 .

FIG. 11 is a first end view of the drill bit of FIG. 8 .

FIG. 12 is a second end view of the drill bit of FIG. 8 .

FIG. 13 is a third side view of the drill bit of FIG. 8 ; and,

FIG. 14 is a fourth side view of the drill bit of FIG. 8 .

With respect to FIGS. 8 - 14 , color is considered to be an integral part of the disclosed and claimed design.

Portions of the drill bit shown in broken lines form no part of the claimed design.

The drill bit is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.