Drill bit

Description

FIG. 1 is a perspective view of a drill bit showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is an elevational view; and,

FIG. 5 is an elevational view thereof.

FIG. 1 has been drawn on an enlarged scale with respect to FIGS. 2-5.

Referenced Cited
U.S. Patent Documents
D138242 July 1944 Baker
D255451 June 17, 1980 Herbst et al.
D278065 March 19, 1985 Sydlowski et al.
949126 February 1910 Lyons
1819949 August 1931 Doehring
4541757 September 17, 1985 Reynolds et al.
Patent History
Patent number: D328905
Type: Grant
Filed: Jun 22, 1990
Date of Patent: Aug 25, 1992
Inventor: Jack S. Triano (Andreas, PA)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Eckert Seamans Cherin & Mellott
Application Number: 7/542,409
Classifications
Current U.S. Class: Element Or Attachment (D15/138)