Screw driver

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

FIG. 1 is a perspective view of a screw driver showing my 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 left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof.

Claims

The ornamental design for a screw driver, as shown and described.

Referenced Cited
U.S. Patent Documents
D256547 August 26, 1980 Holland-Letz
D256662 September 2, 1980 Holland-Letz
D309246 July 17, 1990 Cascio et al.
D310011 August 21, 1990 Holland-Letz
D408252 April 20, 1999 Holland-Letz
D414096 September 21, 1999 Chapin et al.
D415005 October 12, 1999 Chen
D418035 December 28, 1999 Hatch
D422475 April 11, 2000 Su
Patent History
Patent number: D440480
Type: Grant
Filed: Jul 19, 2000
Date of Patent: Apr 17, 2001
Inventor: Hung Kui Tseng (Taichung, 406)
Primary Examiner: Philip S. Hyder
Application Number: 29/126,511
Classifications
Current U.S. Class: D8/82
International Classification: 0804;