Drill bit

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Description

FIG. 1 is a perspective view of a first embodiment of the present new design of a drill bit;

FIG. 2 is a right side elevational view of the first embodiment, the left side and top and bottom views being identical;

FIG. 3 is a front end view thereof;

FIG. 4 is a rear end view thereof;

FIG. 5 is a perspective view of a second embodiment of the present new design of a drill bit;

FIG. 6 is a right side elevational view of the second embodiment, the left side, top and bottom views being identical;

FIG. 7 is a front end view of the drill bit of FIG. 5; and,

FIG. 8 is a rear view thereof.

The broken lines in FIGS. 5 and 6 showing the flute portion of the drill bit form no part of the claimed design for the second embodiment.

Referenced Cited
U.S. Patent Documents
2740974 April 1956 Lewis
4090808 May 23, 1978 Nannen
5037251 August 6, 1991 Roth
5387059 February 7, 1995 Borzemsky
5399051 March 21, 1995 Aken et al.
5779404 July 14, 1998 Jore
Patent History
Patent number: D428027
Type: Grant
Filed: Oct 13, 1999
Date of Patent: Jul 11, 2000
Assignee: Kouvato, Inc. (LaGrange, IL)
Inventor: Thomas Kouvelis (Antioch, IL)
Primary Examiner: Antoine Duval Davis
Law Firm: Greer, Burns & Crain, Ltd.
Application Number: 0/112,252
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;