Utility knife

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Description

FIG. 1 is a perspective view of a utility knife showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for the utility knife, as shown and described.

Referenced Cited

U.S. Patent Documents

4068375 January 17, 1978 Rathbun et al.
4575940 March 18, 1986 Wenzel
4662070 May 5, 1987 Reddig
D408704 April 27, 1999 Gilbert
D413247 August 31, 1999 Schmidt
D413783 September 14, 1999 Huang
D426133 June 6, 2000 Degen et al.
6161290 December 19, 2000 Takamasa
6865816 March 15, 2005 Zajdel
D520327 May 9, 2006 Gist et al.
D530179 October 17, 2006 Schmidt
7155829 January 2, 2007 Sun

Patent History

Patent number: D563755
Type: Grant
Filed: Jul 3, 2006
Date of Patent: Mar 11, 2008
Inventor: Yuewei Wu (Ninghai, Zhejiang Province)
Primary Examiner: Philip S. Hyder
Application Number: 29/262,376

Classifications

Current U.S. Class: D8/99