Drill bit

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Description

FIG. 1 shows a drill bit in a front view.

FIG. 2 shows a side view from the left side of the drill bit in FIG. 1.

FIG. 3 shows a side view from the right side of the drill bit in FIG. 1.

FIG. 4 shows the drill bit in a rear view of the drill bit in FIG. 1.

FIG. 5 shows a bottom view of the drill bit for percussive drilling.

FIG. 6 shows a top view from the upper side of the drill bit in FIG. 1; and,

FIG. 7 shows a perspective front view of the drill bit for percussive drilling.

The short equidistant broken lines in the drawings depict unclaimed environmental subject matter and the dash, dot, dot, dash broken lines depict the boundary of the claimed design and form no part thereof.

Claims

We claim the ornamental design for drill bit, as shown and described.

Referenced Cited
U.S. Patent Documents
4492278 January 8, 1985 Leighton
4633959 January 6, 1987 Knox
4688652 August 25, 1987 Crist
5184925 February 9, 1993 Woods et al.
5226489 July 13, 1993 Woods et al.
5297643 March 29, 1994 Montgomery et al.
5452628 September 26, 1995 Montgomery et al.
6309159 October 30, 2001 Weaver et al.
6684968 February 3, 2004 Bise et al.
7051822 May 30, 2006 Barry
20020195280 December 26, 2002 Bise et al.
Patent History
Patent number: D624097
Type: Grant
Filed: Dec 17, 2009
Date of Patent: Sep 21, 2010
Assignee: Sandvik Intellectual Property AB (Sandviken)
Inventors: Matthew Kenny (Hamilton), Steven Weaver (Fletcher)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Drinker Biddle & Reath LLP
Application Number: 29/352,151
Classifications