Mortarboard attachment
The rectangular feature drawn in broken lines depicts a portion of the mortarboard attachment that forms 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.
| 2289370 | July 1942 | Krag |
| D187178 | February 1960 | Knaust |
| D188032 | May 1960 | Simon |
| 3056969 | October 1962 | Speros |
| 3134107 | May 1964 | Kelly |
| D282118 | January 14, 1986 | Mengwasser |
| D287891 | January 20, 1987 | Cavaliere |
| 4845783 | July 11, 1989 | Motley |
| D321274 | November 5, 1991 | Hun |
| D390341 | February 10, 1998 | Levy |
| D393345 | April 14, 1998 | Clegg |
| D783951 | April 18, 2017 | Catanzaro |
| 20070033705 | February 15, 2007 | Dickson |
Type: Grant
Filed: Jul 13, 2018
Date of Patent: Nov 19, 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: 29/656,537