Portable electric screw driver
Latest Hitachi Koki Company, Ltd. Patents:
Description
FIG. 1 is a front perspective view of the portable electric screw driver showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D118854 | February 1940 | Forss |
D243652 | March 15, 1977 | Zurwelle et al. |
D243742 | March 22, 1977 | House et al. |
2479750 | August 1949 | Lewandowski |
53-7064 | July 1978 | JPX |
56-0126 | September 1981 | JPX |
57-5419 | March 1983 | JPX |
59-6321 | March 1983 | JPX |
- Rockwell Professional Power Tools Catalog, p. 61 "D" Handle Screwdriver 7572. Catalogue printed by Kress-Electrik GmbH+Co., 1987.
Patent History
Patent number: D301300
Type: Grant
Filed: Dec 21, 1987
Date of Patent: May 30, 1989
Assignee: Hitachi Koki Company, Ltd.
Inventors: Yuichiro Sasaki (Katsuta), Toshiaki Uchida (Katsuta)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Lowe, Price, LeBlanc, Becker & Shur
Application Number: 7/136,485
Type: Grant
Filed: Dec 21, 1987
Date of Patent: May 30, 1989
Assignee: Hitachi Koki Company, Ltd.
Inventors: Yuichiro Sasaki (Katsuta), Toshiaki Uchida (Katsuta)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Lowe, Price, LeBlanc, Becker & Shur
Application Number: 7/136,485
Classifications
Current U.S. Class:
D 8/68;
D 8/69