Knife sharpener
Description
Claims
The ornamental design for a knife sharpener, as shown and described.
Referenced Cited
U.S. Patent Documents
D470382 | February 18, 2003 | Kurz |
D603679 | November 10, 2009 | Smith |
D624799 | October 5, 2010 | De Bretton Gordon |
D640116 | June 21, 2011 | Smith |
D640523 | June 28, 2011 | Stutz |
D640909 | July 5, 2011 | Stutz |
D680846 | April 30, 2013 | Smith |
D876199 | February 25, 2020 | Zhu |
D894710 | September 1, 2020 | Li |
D929200 | August 31, 2021 | Huagn |
Patent History
Patent number: D949658
Type: Grant
Filed: Apr 27, 2020
Date of Patent: Apr 26, 2022
Inventor: Siping Chen (Ningbo)
Primary Examiner: Philip S Hyder
Application Number: 29/732,670
Type: Grant
Filed: Apr 27, 2020
Date of Patent: Apr 26, 2022
Inventor: Siping Chen (Ningbo)
Primary Examiner: Philip S Hyder
Application Number: 29/732,670
Classifications
Current U.S. Class:
D8/93