Rock drill bit

- Gator Rock Bits, Inc.
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Description

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

FIG. 2 is side view thereof;

FIG. 3 is front view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
5197555 March 30, 1993 Estes
Patent History
Patent number: D441380
Type: Grant
Filed: Jun 16, 2000
Date of Patent: May 1, 2001
Assignee: Gator Rock Bits, Inc. (New Haven, KY)
Inventors: Gary Wayne Hamilton (New Haven, KY), Charles Hamilton (Bardstown, KY)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firms: Carrithers Law Office, David W. Carrithers
Application Number: 29/125,034
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;