High speed drill bit for mortar

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Description

FIG. 1 is a side elevational view showing my new design for a high speed drill bit for mortar;

FIG. 2 is an end view taken in the direction of the cutting end; and,

FIG. 3 is an opposite end view taken in the direction of the shank end.

Claims

The ornamental design for a high speed drill bit for mortar, as shown and described.

Referenced Cited
U.S. Patent Documents
6221 March 1849 Sanford
3692127 September 1972 Hampe et al.
3736995 June 1973 Salter
4314616 February 9, 1982 Rauckhorst et al.
5022801 June 11, 1991 Anthony et al.
5716170 February 10, 1998 Kammermeier et al.
6196908 March 6, 2001 Adams
D520537 May 9, 2006 Cardew
20040052595 March 18, 2004 Dembicks et al.
Patent History
Patent number: D531650
Type: Grant
Filed: Apr 13, 2005
Date of Patent: Nov 7, 2006
Inventor: Bruce D. Switzer (McAfee, NJ)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Patricia Palasik
Attorney: Richard L. Miller
Application Number: 29/227,627
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)