Blade sharpener
Description
The broken lines depict portions of the blade sharpener in which the design is embodied that are not considered part of the claimed design.
Claims
The ornamental design for a blade sharpener, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D866277
Type: Grant
Filed: Oct 16, 2017
Date of Patent: Nov 12, 2019
Assignee: ACME UNITED CORPORATION (Fairfield, CT)
Inventors: Stanley A. Watson (Franklin, MA), Richard S. Constantine (Monroe, CT)
Primary Examiner: Philip S Hyder
Application Number: 29/622,285
Type: Grant
Filed: Oct 16, 2017
Date of Patent: Nov 12, 2019
Assignee: ACME UNITED CORPORATION (Fairfield, CT)
Inventors: Stanley A. Watson (Franklin, MA), Richard S. Constantine (Monroe, CT)
Primary Examiner: Philip S Hyder
Application Number: 29/622,285
Classifications
Current U.S. Class:
D8/63