Portable power supply
Description
The broken lines in the figures illustrate portions of the portable power supply that form no part of the claimed design.
Claims
The ornamental design for a portable power supply, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D881808
Type: Grant
Filed: Nov 13, 2019
Date of Patent: Apr 21, 2020
Inventor: Yunyu Sun (Dongguan)
Primary Examiner: Rosemary K Tarcza
Assistant Examiner: Christy M Nemeth
Application Number: 29/712,957
Type: Grant
Filed: Nov 13, 2019
Date of Patent: Apr 21, 2020
Inventor: Yunyu Sun (Dongguan)
Primary Examiner: Rosemary K Tarcza
Assistant Examiner: Christy M Nemeth
Application Number: 29/712,957
Classifications