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Patent
D838158
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Priority
Jul 18 2016
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Filed
Jul 18 2016
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Issued
Jan 15 2019
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Expiry
Jan 15 2034
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Assg.orig
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Entity
unknown
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4
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28
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n/a
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The ornamental design for a knife sharpener, as shown and described.
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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, |
|
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|
20120264358, |
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|
20150273663, |
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217425, |
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|
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 |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a