Mortarboard attachment
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The features drawn in broken lines depict portions of the mortarboard attachment that form no part of the claimed design. All other broken lines which illustrate a mortarboard cap depict environmental structure that forms no part of the claimed design.
Claims
The ornamental design for a mortarboard attachment, as shown and described.
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Type: Grant
Filed: Jul 10, 2018
Date of Patent: Nov 26, 2019
Assignee: Humboldt Productions L.L.C (Shoreview, MN)
Inventors: Ann Aronson (Minneapolis, MN), Peter M. Kramer (Shoreview, MN)
Primary Examiner: Karen S Acker
Assistant Examiner: Jasmine Mlinarcik
Application Number: 29/656,080