Patent
   D838158
Priority
Jul 18 2016
Filed
Jul 18 2016
Issued
Jan 15 2019
Expiry
Jan 15 2034
Assg.orig
Entity
unknown
4
28
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 elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a top plan view thereof.

Wu, Shih-Piao

Patent Priority Assignee Title
D884451, Sep 19 2019 Portable metal knife sharpener
D907914, Dec 04 2018 ETS Jean Deglon Sharpener keychain
D909169, Jul 24 2020 Knife grinder
D935299, Feb 08 2021 Triangular whetstone angle fixer
Patent Priority Assignee Title
5189848, Jun 27 1991 Blade sharpening apparatus, blade guide and sharpening method
7153200, Sep 20 2005 JIIN HAUR INDUSTRIAL CO., LTD. Blade grinding tool
8715041, Mar 01 2012 Jiin Haur Industrial Co. Ltd. Attachment type sharpening tool
20110136412,
20120264358,
20150273663,
20160368116,
153168,
162121,
163044,
169056,
175067,
176887,
179610,
187543,
217425,
D326986, Mar 02 1990 National Presto Industries, Inc. Knife sharpener
D432385, Jun 08 1998 Hawe Neos Dental Dr. H.v. Weissenfluh AG Apparatus for sharpening dental instruments
D473777, Apr 29 2002 SCOTT FETZER COMPANY, THE Knife sharpener
D491783, Mar 18 2003 Kai R&D Center Co., Ltd. Household electric sharpener
D537698, Jan 19 2005 KAI R & D CENTER CO , LTD Hand sharpener
D541615, Sep 20 2005 JIIN HAUR INDUSTRIAL CO., LTD. Knife sharpener holder
D568132, Sep 13 2006 Choon Nang Electrical Appliance Mfy., Ltd Sharpener for drill bits
D604133, Sep 24 2008 Smith Abrasives, Inc. Electric sharpener
D618532, Aug 23 2009 JIIN HAUR INDUSTRIAL CO., LTD. Knife sharpener holder
D673439, Apr 18 2011 Jiin Haur Industrial Co. Ltd. Knife sharpener
D679974, Mar 01 2012 JIIN HAUR INDUSTRIAL CO., LTD. Attachment type sharpening tool
D703018, Feb 01 2011 KAI R & D CENTER CO , LTD Electric grinder for sharpening knives
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 15 2016WU, SHIH-PIAOJIIN HAUR INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0393800666 pdf
Jul 18 2016Jiin Haur Industrial Co. Ltd.(assignment on the face of the patent)
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