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Driver drill bit
D504141 Driver drill bit

Patent Drawings:
Inventor: Charland, et al.
Date Issued: April 19, 2005
Application: D/183,429
Filed: June 12, 2003
Inventors: Charland; Luc (Sherbrooke, Quebec, CA)
Charland; Roger (Sherbrooke, Quebec, CA)
Assignee:
Primary Examiner: Davis; Antoine D.
Assistant Examiner:
Attorney Or Agent:
U.S. Class: D15/139
Field Of Search: D15/139; 175/57; 175/257; 175/258; 175/259; 175/266; 175/292; 175/296; 175/300; 175/385; 175/413; 175/414; 175/415
International Class:
U.S Patent Documents: D416029
Foreign Patent Documents: 0 358 786
Other References: Concentrix Overburden Drilling System..
Outils de forage Sandvik Coromant TUBEX..

Abstract:
Claim: The ornamental design for a driver drill bit, as shown and described.
Description: FIG. 1 is a perspective view of a driver drill bit according to the present design;

FIG. 2 is a top plan view of the driver drill bit of FIG. 1;

FIG. 3 is a front view of the driver drill bit of FIG. 1;

FIG. 4 is a left side view of the driver drill bit of FIG. 1;

FIG. 5 is a back view of the driver drill bit of FIG. 1;

FIG. 6 is a right side view of the driver drill bit of FIG. 1;

FIG. 7 is a perspective view of the driver drill bit of FIG. 1 in co-operation with a crown-bit,

FIG. 8 is a perspective view of the driver drill bit according to a variant of the present design;

FIG. 9 is a top plan view of the driver drill bit of FIG. 8;

FIG. 10 is a front view of the driver drill bit of FIG. 8;

FIG. 11 is a left side view of the driver drill bit of FIG. 8;

FIG. 12 is a back view of the driver drill bit of FIG. 8; and,

FIG. 13 is a right side view of the driver drill bit of Figure wherein the broken lines illustrate components that form no part of the design.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design.

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