Cordless screw driver
Latest Hitachi Koki Company, Ltd. Patents:
Description
FIG. 1 is a front perspective view of the cordless screwdriver 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
D243652 | March 15, 1977 | Zurwelle et al. |
D243742 | March 22, 1977 | House et al. |
2730635 | January 1956 | McCabe |
53-7064 | July 1978 | JPX |
56-0126 | September 1981 | JPX |
59-6321 | March 1983 | JPX |
- Catalogue printed by Kress-Electrik GmbH & Co. 1987. House & Garden, Jul. 1975, p. 24, Black & Decker's "Energy Pak" Handle. Black & Decker Industrial/Construction Division Catalog 1982, p. 18--Drywall "Scrugun" Screwdriver 2035-2037.
Patent History
Patent number: D302646
Type: Grant
Filed: Dec 21, 1987
Date of Patent: Aug 8, 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: 7/136,484
Type: Grant
Filed: Dec 21, 1987
Date of Patent: Aug 8, 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: 7/136,484
Classifications
Current U.S. Class:
D 8/68;
D 8/69