PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D673439
|
Priority
Apr 18 2011
|
Filed
Apr 18 2011
|
Issued
Jan 01 2013
|
Expiry
Jan 01 2027
|
|
Assg.orig
|
|
Entity
unknown
|
6
|
14
|
n/a
|
|
|
The ornamental design for a knife sharpener, as shown and described.
|
FIG. 1 is a perspective view of a knife sharpener showing my new design;
FIG. 2 is a front view of the embodiment shown in FIG. 1;
FIG. 3 is a rear view of the embodiment shown in FIG. 1;
FIG. 4 is a left side view of the embodiment shown in FIG. 1;
FIG. 5 is a right side view of the embodiment shown in FIG. 1; and,
FIG. 6 is a top view of the embodiment shown in FIG. 1.
Wu, Shih-Piao
Patent |
Priority |
Assignee |
Title |
5492037, |
Apr 17 1995 |
|
Skate sharpening mechanism |
6039642, |
Sep 15 1998 |
|
Blade sharpener |
7381120, |
Jan 18 2006 |
FACKELMANN HOUSEWARES IP PTY LTD |
Knife sharpener |
D299614, |
Oct 13 1987 |
|
Knife sharpener |
D304153, |
May 12 1986 |
Normark Corporation |
Hand held knife sharpener |
D304288, |
Oct 13 1987 |
|
Knife sharpener |
D317554, |
Jun 06 1988 |
|
Knife sharpener |
D327833, |
Aug 24 1988 |
Sunbeam Products, Inc |
Knife sharpener |
D335075, |
Sep 25 1989 |
Plastics Northwest, Inc.; PLASTICS NORTHWEST, INC , 8937 S E JANNSEN ROAD, CLACKAMAS, OR 97015, AN OR CORP |
Knife sharpener |
D390084, |
Jan 09 1997 |
|
Hand held skate sharpener |
D469326, |
Aug 20 2001 |
|
Blade sharpening device with aligning, blade-driven, sharpening rollers |
D541615, |
Sep 20 2005 |
JIIN HAUR INDUSTRIAL CO., LTD. |
Knife sharpener holder |
D618532, |
Aug 23 2009 |
JIIN HAUR INDUSTRIAL CO., LTD. |
Knife sharpener holder |
D618979, |
Jan 25 2008 |
Robert Welch Designs Limited |
Knife sharpener |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a