Directional boring bit
Description
Claims
The ornamental design for a directional boring bit, as shown and described.
Referenced Cited
U.S. Patent Documents
RE37450 | November 20, 2001 | Deken et al. |
6321858 | November 27, 2001 | Wentworth et al. |
7419109 | September 2, 2008 | Ronfeldt et al. |
D588174 | March 10, 2009 | Young |
7559497 | July 14, 2009 | Young |
20010047887 | December 6, 2001 | Wentworth et al. |
20030024741 | February 6, 2003 | Wentworth et al. |
20080011890 | January 17, 2008 | Young |
Patent History
Patent number: D606569
Type: Grant
Filed: Jul 7, 2009
Date of Patent: Dec 22, 2009
Inventors: Douglas R. Ford (St. Louis, MO), Kevin L. Anderson (Hillsboro, MO)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Kevin L. Klug
Application Number: 29/315,572
Type: Grant
Filed: Jul 7, 2009
Date of Patent: Dec 22, 2009
Inventors: Douglas R. Ford (St. Louis, MO), Kevin L. Anderson (Hillsboro, MO)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Kevin L. Klug
Application Number: 29/315,572
Classifications