Rock drill bit

- Gator Rock Bits, Inc.
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Description

FIG. 1 is a front view of a rock drill bit in accordance with my design;

FIG. 2 is a right side view thereof;

FIG. 3 is plan top view thereof;

FIG. 4 is a perspective view thereof;

FIG. 5 is a plan bottom plan view thereof; and,

FIG. 6 is a rear view thereof.

Claims

The ornamental design for a rock drill bit, as shown and described.

Referenced Cited
U.S. Patent Documents
3047082 July 1962 Brown
D282666 February 18, 1986 Salmi et al.
4598779 July 8, 1986 Liljekvist et al.
5150636 September 29, 1992 Hill
D441380 May 1, 2001 Hamilton et al.
Patent History
Patent number: D457535
Type: Grant
Filed: Jan 31, 2001
Date of Patent: May 21, 2002
Assignee: Gator Rock Bits, Inc. (Bardstown, KY)
Inventors: Gary Wayne Hamilton (New Haven, KY), Charles Hamilton (Bardstown, KY)
Primary Examiner: Mitchell Siegel
Attorney, Agent or Law Firms: Carrithers Law Office, David W. Carrithers
Application Number: 29/136,485
Classifications
Current U.S. Class: Drilling, Mining, Or Soil Treatment (includes Element) (D15/21)
International Classification: 1503;