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Publication numberUSD524333 S1
Publication typeGrant
Application numberUS 29/204,245
Publication dateJul 4, 2006
Filing dateApr 27, 2004
Priority dateApr 27, 2004
Publication number204245, 29204245, US D524333 S1, US D524333S1, US-S1-D524333, USD524333 S1, USD524333S1
InventorsWilliam J. Brady
Original AssigneeBrady William J
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Heavy duty hard rock drill tool
US D524333 S1
Abstract  available in
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  1. The ornamental design for a heavy duty hard rock drill tool, as shown.

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

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

FIG. 3 is a bottom view of the drill tool;

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

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

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US9551189Sep 16, 2013Jan 24, 2017Wbm-LlcPolycrystalline diamond percussion drill bits using low thrust and torque for application with small diameter drill bits
US20090184564 *Nov 19, 2008Jul 23, 2009The William J. Brady Loving TrustPcd percussion drill bit
U.S. ClassificationD15/139