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
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