Utility knife
Description
The broken line in
Claims
The ornamental design for a utility knife, as shown.
Referenced Cited
U.S. Patent Documents
| D319378 | August 27, 1991 | Wilcox |
| D413783 | September 14, 1999 | Huang |
| D420270 | February 8, 2000 | Martone |
| D439492 | March 27, 2001 | Martone et al. |
| D454042 | March 5, 2002 | Hsu |
| D460908 | July 30, 2002 | Sun |
| D476214 | June 24, 2003 | Hsu |
| D502379 | March 1, 2005 | Tseng |
| D509419 | September 13, 2005 | Chung |
| D525104 | July 18, 2006 | Samberg |
| D558555 | January 1, 2008 | Huang |
| 7448135 | November 11, 2008 | Zhuk et al. |
| D587553 | March 3, 2009 | Constantine et al. |
Patent History
Patent number: D607707
Type: Grant
Filed: Mar 31, 2009
Date of Patent: Jan 12, 2010
Inventor: Yin Han Huang (Taiping, Taichung)
Primary Examiner: Philip S Hyder
Application Number: 29/334,658
Type: Grant
Filed: Mar 31, 2009
Date of Patent: Jan 12, 2010
Inventor: Yin Han Huang (Taiping, Taichung)
Primary Examiner: Philip S Hyder
Application Number: 29/334,658
Classifications
Current U.S. Class:
D8/99