Patent
   D523717
Priority
Jul 09 2004
Filed
Sep 16 2004
Issued
Jun 27 2006
Expiry
Jun 27 2020
Assg.orig
Entity
unknown
8
20
n/a
The ornamental design for a sharpener, as shown and described.

FIG. 1 is a perspective view showing the sharpener according to our design.

FIG. 2 is a side view showing one side of the sharpener of FIG. 1.

FIG. 3 is another side view showing an opposite side of the sharpener of FIG. 1.

FIG. 4 is a front view of the sharpener of FIG. 1.

FIG. 5 is a rear view of the sharpener of FIG. 1.

FIG. 6 is a top view of the sharpener of FIG. 1; and,

FIG. 7 is a bottom view of the sharpener of FIG. 1.

Wang, Daguang, Guo, Jianjin

Patent Priority Assignee Title
D601598, Sep 23 2008 Grindstone
D604133, Sep 24 2008 Smith Abrasives, Inc. Electric sharpener
D703018, Feb 01 2011 KAI R & D CENTER CO , LTD Electric grinder for sharpening knives
D725453, Feb 28 2013 American Learning Systems, Inc. Blade sharpener housing
D732366, Jul 12 2013 Sharpener for razor
D852599, Nov 29 2017 Darex, LLC Powered cutting tool sharpener
D852600, Nov 29 2017 Darex, LLC Powered cutting tool sharpener
ER3130,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 16 2004Qingdao D&D Electro Mechanical Technologies Co., Ltd.(assignment on the face of the patent)
Sep 25 2004GUO, JIANJINQINGDAO D&D ELECTRO MECHANCIAL TECHNOLOGIES CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0159440047 pdf
Sep 25 2004WANG, DAGUANGQINGDAO D&D ELECTRO MECHANCIAL TECHNOLOGIES CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0159440047 pdf
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