Main unit of hearing aid
Description
The broken lines in
Claims
The ornamental design for a main unit of hearing aid, as shown and described.
Referenced Cited
U.S. Patent Documents
D546455 | July 10, 2007 | Darbut |
D634847 | March 22, 2011 | Schumaier |
D797940 | September 19, 2017 | Tipsmark |
D845487 | April 9, 2019 | Zheng |
20130195303 | August 1, 2013 | Tada |
20160234614 | August 11, 2016 | Johnson |
Patent History
Patent number: D896388
Type: Grant
Filed: May 14, 2019
Date of Patent: Sep 15, 2020
Inventors: Yiquan Shi (Fujian), Chengxiang Zhang (Fujian)
Primary Examiner: Anhdao Doan
Application Number: 29/691,045
Type: Grant
Filed: May 14, 2019
Date of Patent: Sep 15, 2020
Inventors: Yiquan Shi (Fujian), Chengxiang Zhang (Fujian)
Primary Examiner: Anhdao Doan
Application Number: 29/691,045
Classifications
Current U.S. Class:
Hearing Aid (D24/174)