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
U.S. Patent Documents
Other references
D888527 | June 30, 2020 | Cavanaugh |
D928581 | August 24, 2021 | Hong |
D1016108 | February 27, 2024 | Hu |
20100124873 | May 20, 2010 | McLain |
20230294246 | September 21, 2023 | Horl |
20230356348 | November 9, 2023 | Horl |
20230405767 | December 21, 2023 | Berger |
- The Original Tumbler Rolling Knife Sharpener™, AMAZON.com, First Available Aug. 24, 2023.
- Horl 2 Walnut Rolling Knife Sharpener Engineered in Germany, Amazon.com, First Available Sep. 12, 2022.
- YouTube.com How to use the Tumber Diamond Rolling Knife sharpener, Jul. 24, 2022.
Patent History
Patent number: D1035411
Type: Grant
Filed: Mar 26, 2024
Date of Patent: Jul 16, 2024
Inventor: Wenfeng Li (Yangjiang)
Primary Examiner: Philip S Hyder
Application Number: 29/934,583
Type: Grant
Filed: Mar 26, 2024
Date of Patent: Jul 16, 2024
Inventor: Wenfeng Li (Yangjiang)
Primary Examiner: Philip S Hyder
Application Number: 29/934,583
Classifications
Current U.S. Class:
D8/93