High speed drill bit for mortar
Switzer November 7, 2
U.S. patent number D531,650 [Application Number D/227,627] was granted by the patent office on 2006-11-07 for high speed drill bit for mortar. Invention is credited to Bruce D. Switzer.
| United States Patent | D531,650 |
| Switzer | November 7, 2006 |
High speed drill bit for mortar
Claims
CLAIM The ornamental design for a high speed drill bit for mortar, as shown and described.
| Inventors: | Switzer; Bruce D. (McAfee, NJ) |
|---|---|
| Appl. No.: | D/227,627 |
| Filed: | April 13, 2005 |
| Current U.S. Class: | D15/139 |
| Current International Class: | 1509 |
| Field of Search: | ;D15/138,139 ;40/913 ;408/16,210-214,219,224,226,230,240 ;433/72,75,102,141,165 ;606/80 |
References Cited [Referenced By]
U.S. Patent Documents
| 6221 | March 1849 | Sanford |
| 3692127 | September 1972 | Hampe et al. |
| 3736995 | June 1973 | Salter |
| 4314616 | February 1982 | Rauckhorst et al. |
| 5022801 | June 1991 | Anthony et al. |
| 5716170 | February 1998 | Kammermeier et al. |
| 6196908 | March 2001 | Adams |
| D520537 | May 2006 | Cardew |
| 2004/0052595 | March 2004 | Dembicks et al. |
Assistant Examiner: Palasik; Patricia
Attorney, Agent or Firm: Miller; Richard L.
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.
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