Core drill bit

Description

FIG. 1 is an isometric view of a core drill bit showing my new design;

FIG. 2 is one side view thereof;

FIG. 3 is another side view thereof;

FIG. 4 is another side view thereof;

FIG. 5 is another side view thereof, all sides apperring diffrently;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a front view thereof.

Referenced Cited
U.S. Patent Documents
RE23539 August 1952 Tilden
1857585 May 1932 Drooks, Sr.
3945069 March 23, 1976 Cecil
Patent History
Patent number: D363294
Type: Grant
Filed: Sep 26, 1994
Date of Patent: Oct 17, 1995
Inventor: Albert D. Ellis (Clarkston, GA)
Primary Examiner: Antoine Duval Davis
Attorney: Jerome Moore
Application Number: 0/29,025
Classifications