Screw driver
Hasegawa , et al. May 5, 1
U.S. patent number D325,857 [Application Number 07/355,244] was granted by the patent office on 1992-05-05 for screw driver. This patent grant is currently assigned to Hitachi Koki Company, Limited. Invention is credited to Shigehisa Hagura, Hideaki Hasegawa, Fumio Tashimo, Kazuyuki Tuburaya.
| United States Patent | D325,857 |
| Hasegawa , et al. | May 5, 1992 |
Screw driver
Claims
The ornamental design for a screw driver, as shown and described.
| Inventors: | Hasegawa; Hideaki (Katsuta, JP), Tashimo; Fumio (Katsuta, JP), Hagura; Shigehisa (Tokyo, JP), Tuburaya; Kazuyuki (Tokyo, JP) |
|---|---|
| Assignee: | Hitachi Koki Company, Limited
(Tokyo, JP) |
| Appl. No.: | 07/355,244 |
| Filed: | May 19, 1989 |
Foreign Application Priority Data
| Jun 10, 1988 [JP] | 63-23153 | |||
| Current U.S. Class: | D8/61 |
| Field of Search: | ;D8/61,68,63 ;173/163,170 ;81/44,54,57,57.11,57.13,57.14,475 |
References Cited [Referenced By]
U.S. Patent Documents
| D215998 | November 1969 | Humphrey et al. |
| D238970 | February 1976 | Baum |
| D301496 | June 1989 | Yonesawa et al. |
Other References
|
Hardware Age Cat. dated Aug.-1983 p. 110 glue gun.. |
Primary Examiner: Holtje; Nelson C.
Assistant Examiner: Musgrove; J. H.
Attorney, Agent or Firm: Lowe, Price, LeBlanc & Becker
Description
FIG. 1 is a front, top and right-side perspective view of a 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 top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a right side elevational view of the opposite side being a mirror image thereof.
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