Screwdriver bit
Description
FIG. 1 is a front elevational view of the screwdriver bit 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;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a cross-sectional view thereof along line 7--7 of FIG. 2.
Referenced Cited
U.S. Patent Documents
2667194 | January 1954 | Fischer et al. |
2718806 | September 1955 | Clark |
2806706 | September 1957 | Fitch |
2833548 | May 1958 | Clark |
4296656 | October 27, 1981 | Ernst |
4466315 | August 21, 1984 | Boschettto, Jr. et al. |
4535658 | August 20, 1985 | Molinari |
4753142 | June 28, 1988 | Horniing |
4787278 | November 29, 1988 | Bononi |
5012708 | May 7, 1991 | Martindell |
Patent History
Patent number: D350685
Type: Grant
Filed: May 4, 1992
Date of Patent: Sep 20, 1994
Inventors: Fred H. Perkins (Lincoln Center, ME), Allan S. Perkins (Norway, ME)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Application Number: 7/878,022
Type: Grant
Filed: May 4, 1992
Date of Patent: Sep 20, 1994
Inventors: Fred H. Perkins (Lincoln Center, ME), Allan S. Perkins (Norway, ME)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Application Number: 7/878,022
Classifications
Current U.S. Class:
D 8/86