Hard rock drill tool

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Description

FIG. 1 is a side elevational view of a hard rock drill tool embodying the invention, the opposite side being a mirror image;

FIG. 2 is a top plan view of the hard rock drill tool of FIG. 1;

FIG. 3 is a bottom view thereof;

FIG. 4 is another side elevational view of the drill tool, as rotated 90° from the FIG. 1 view, and the opposite side being a mirror image; and,

FIG. 5 is a perspective view of the drill tool.

Claims

The ornamental design for a hard rock drill tool, as shown.

Referenced Cited
U.S. Patent Documents
3163246 December 1964 Vagins et al.
D340248 October 12, 1993 Brady
D351174 October 4, 1994 Brady
5429199 July 4, 1995 Sheirer et al.
6044920 April 4, 2000 Massa et al.
D424579 May 9, 2000 Brady
D430578 September 5, 2000 Brady
Patent History
Patent number: D516104
Type: Grant
Filed: Apr 27, 2004
Date of Patent: Feb 28, 2006
Assignee: The William J. Brady Loving Trust (Creve Coeur, MO)
Inventor: William J. Brady (Creve Coeur, MO)
Primary Examiner: Antoine D. Davis
Application Number: 29/204,230
Classifications