Drill bit
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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.
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. |
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