Drill bits for rechargeable screwdriver

Description

FIG. 1 is a front elevational view of the drill bits for rechargeable screwdriver showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

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

FIG. 6 is a bottom plan view thereof.

This application is related to U.S. patent application Ser. No. 07/249,438 filed in the name of the same inventor on Sep. 26, 1988.

Referenced Cited
U.S. Patent Documents
3920350 November 1975 Southall
4749316 June 7, 1988 Hendricks
Patent History
Patent number: D343563
Type: Grant
Filed: Sep 30, 1991
Date of Patent: Jan 25, 1994
Inventor: John P. Tinault (Bensenville, IL)
Primary Examiner: Alan P. Douglas
Assistant Examiner: J. H. Musgrove
Attorney: S. Michael Bender
Application Number: 7/767,923
Classifications
Current U.S. Class: D 8/70