Blade sharpener
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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: D866278
Type: Grant
Filed: Oct 30, 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: 29/624,058
Type: Grant
Filed: Oct 30, 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: 29/624,058
Classifications
Current U.S. Class:
D8/63