Knife sharpener
Description
Claims
The ornamental design for a knife sharpener, as shown and described.
Referenced Cited
U.S. Patent Documents
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D575125 | August 19, 2008 | Smith |
D587550 | March 3, 2009 | Smith |
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Patent History
Patent number: D888527
Type: Grant
Filed: May 1, 2019
Date of Patent: Jun 30, 2020
Inventor: Gerald R. Cavanaugh, Jr. (Cedar Park, TX)
Primary Examiner: Philip S Hyder
Application Number: 29/689,755
Type: Grant
Filed: May 1, 2019
Date of Patent: Jun 30, 2020
Inventor: Gerald R. Cavanaugh, Jr. (Cedar Park, TX)
Primary Examiner: Philip S Hyder
Application Number: 29/689,755
Classifications
Current U.S. Class:
D8/93