Patent
   D989592
Priority
May 24 2021
Filed
Oct 26 2021
Issued
Jun 20 2023
Expiry
Jun 20 2038
Assg.orig
Entity
unknown
0
13
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 another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the knife sharpener that form no part of the claimed design.

Chen, Guozhong

Patent Priority Assignee Title
Patent Priority Assignee Title
4502254, Dec 29 1982 Oy Fiskars AB Knife sharpener and mounting bracket therefor
D470382, Oct 08 2001 ZWILLING J A HENCKELS AG Knife sharpener
D640523, Jun 07 2010 WÜSTHOF USA, INC Four stage sharpener
D640909, Jun 07 2010 WÜSTHOF USA, INC Two stage sharpener
D680846, Jan 17 2012 SMITH S CONSUMER PRODUCTS, INC Adjustable manual abrasive sharpener
D763650, Dec 15 2014 Zwilling J.A. Henckels AG Sharpener
D773913, Dec 15 2014 Zwilling J.A. Henckels AG Sharpener
D876199, Dec 19 2017 Knife sharpener
D924652, Nov 13 2019 Zhongshan Ruishang Technology Co., Ltd.; ZHONGSHAN RUISHANG TECHNOLOGY CO , LTD Knife and scissor sharpener
D928581, Jun 18 2020 Knife sharpener
D929200, Apr 28 2020 JIANGYIN DIAMOND TOOLS CO , LTD Knife sharpener
D962033, Sep 07 2021 Knife sharpener
D967688, May 06 2022 Knife sharpener
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Oct 26 2021YANGJIANG YANGDONG ZAFIRA ENTERPRISE CO., LTD.(assignment on the face of the patent)
Oct 26 2021CHEN, GUOZHONGYANGJIANG YANGDONG ZAFIRA ENTERPRISE CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0579210821 pdf
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