Drill bit
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Description
FIG. 1 is a perspective view of the drill bit;
FIG. 2 is a second perspective view shown on an enlarged scale;
FIG. 3 is a third perspective view thereof; and,
FIG. 4 is a front end view shown on an enlarged scale.
Claims
The ornamental design for a drill bit, as shown and described.
Referenced Cited
U.S. Patent Documents
| 2778252 | January 1957 | Oxford, Jr. |
| 2859645 | November 1958 | Emmons et al. |
| 3697188 | October 1972 | Pope |
Patent History
Patent number: D523398
Type: Grant
Filed: Sep 3, 2004
Date of Patent: Jun 20, 2006
Assignee: Surgibit IP Holdings PTY Limited (New South Wales)
Inventor: Liam Patrick Ellis (Fairlight)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Patricia Palasik
Attorney: Welsh & Katz, Ltd.
Application Number: 29/212,599
Type: Grant
Filed: Sep 3, 2004
Date of Patent: Jun 20, 2006
Assignee: Surgibit IP Holdings PTY Limited (New South Wales)
Inventor: Liam Patrick Ellis (Fairlight)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Patricia Palasik
Attorney: Welsh & Katz, Ltd.
Application Number: 29/212,599
Classifications
Current U.S. Class:
D13/139