Knife sharpener
Description
The broken lines shown in the drawings illustrate portions of the knife sharpener that form no part of the claimed design.
Claims
The ornamental design for a knife sharpener, as shown and described.
Referenced Cited
Patent History
Patent number: D976669
Type: Grant
Filed: Sep 27, 2022
Date of Patent: Jan 31, 2023
Inventor: Jihui Li (Yangjiang)
Primary Examiner: Philip S Hyder
Application Number: 29/854,629
Type: Grant
Filed: Sep 27, 2022
Date of Patent: Jan 31, 2023
Inventor: Jihui Li (Yangjiang)
Primary Examiner: Philip S Hyder
Application Number: 29/854,629
Classifications
Current U.S. Class:
D8/93