Portable electric screw driver

Description

FIG. 1 is a top, front and right side of a portable electric screw driver showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D289004 March 31, 1987 Somers
D316021 April 9, 1991 Bunyea
D319763 September 10, 1991 Reiferscheid
Patent History
Patent number: D330152
Type: Grant
Filed: Apr 18, 1990
Date of Patent: Oct 13, 1992
Assignee: Hitachi Koki Company Limited (Tokyo)
Inventors: Yasunori Ogawa (Mito), Yuichi Sato (Katsuta), Atsushi Nakagawa (Katsuta)
Primary Examiner: Donald P. Walsh
Assistant Examiner: J. H. Musgrove
Law Firm: Lowe, Price, LeBlanc & Becker
Application Number: 7/510,918
Classifications
Current U.S. Class: D 8/68