Pilot drill bit
Description
The broken lines in the drawings depict unclaimed subject matter.
Claims
The ornamental design for a pilot drill bit, as shown and described.
Referenced Cited
U.S. Patent Documents
| 2915925 | December 1959 | Nipken |
| 5322139 | June 21, 1994 | Rose et al. |
| 5743345 | April 28, 1998 | Hollar et al. |
| 5975222 | November 2, 1999 | Holte |
| 7389833 | June 24, 2008 | Walker et al. |
| 7419017 | September 2, 2008 | Walker et al. |
| D700922 | March 11, 2014 | Burca |
| D710174 | August 5, 2014 | Moss |
| 20060027399 | February 9, 2006 | Holte et al. |
| 20070095576 | May 3, 2007 | Walker et al. |
| 20100243333 | September 30, 2010 | Purcell |
Patent History
Patent number: D717351
Type: Grant
Filed: Jan 17, 2014
Date of Patent: Nov 11, 2014
Inventor: Dennis Burca (Calgary)
Primary Examiner: Patricia Palasik
Application Number: 29/479,597
Type: Grant
Filed: Jan 17, 2014
Date of Patent: Nov 11, 2014
Inventor: Dennis Burca (Calgary)
Primary Examiner: Patricia Palasik
Application Number: 29/479,597
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)