Drill bit for engaging a jack crank

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Description

FIG. 1 is a top plan view showing my new design of a drill bit for engaging a jack crank;

FIG. 2 is a bottom plan view of the drill bit for engaging a jack crank;

FIG. 3 is a right side view of the drill bit for engaging a jack crank;

FIG. 4 is a left side view of the drill bit for engaging a jack crank;

FIG. 5 is a front side elevation view of the drill bit for engaging a jack crank, wherein the lines in phantom are for environment only and form no portion of the claimed invention;

FIG. 6 is a right side perspective view of the drill bit for engaging a jack crank;

FIG. 7 is a left side perspective view of the drill bit for engaging a jack crank; and,

FIG. 8 is a cross-sectional view of the drill bit for engaging a jack crank taken along line 8-8 of FIG. 3 to illustrate a depth of a well extending therein.

Claims

The ornamental design for a drill bit for engaging a jack crank, as shown and described.

Referenced Cited
U.S. Patent Documents
3490547 January 1970 Stewart
4749169 June 7, 1988 Pickles
5048378 September 17, 1991 Nikolas
D358082 May 9, 1995 Trezza
5638577 June 17, 1997 Gooding et al.
5897121 April 27, 1999 Case
6010154 January 4, 2000 Payne et al.
D459961 July 9, 2002 Carroll
6526850 March 4, 2003 Miller
6715384 April 6, 2004 Kozak
6901825 June 7, 2005 Lebron
7752946 July 13, 2010 Wang
D646939 October 18, 2011 Johnson
Patent History
Patent number: D705282
Type: Grant
Filed: Jan 16, 2013
Date of Patent: May 20, 2014
Inventor: Farrell B. Jones, Jr. (Kearns, UT)
Primary Examiner: Patricia Palasik
Application Number: 29/443,336
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)