Electrically driven screw driver

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front elevational view of an electrically driven screw driver showing my design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a leftside elevational view thereof;

FIG. 4 is a rightside elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom view thereof; and

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D205631 August 1966 Averitt et al.
D243652 March 15, 1977 Zurwelle et al.
3734207 May 1973 Fishbein
3905429 September 1975 Berger
Patent History
Patent number: D275444
Type: Grant
Filed: Mar 18, 1982
Date of Patent: Sep 11, 1984
Inventor: Katsuyuki Totsu (Higashi-Mukojima, Suimida-ku, Tokyo)
Primary Examiner: Alan P. Douglas
Application Number: 6/359,592
Classifications
Current U.S. Class: D 8/68