Telescopic power supply device
Description
The broken lines shown represent the portions of the telescopic power supply device that form no part of the claimed design.
Claims
We claim the ornamental design for a telescopic power supply device, as shown and described.
Referenced Cited
Patent History
Patent number: D978079
Type: Grant
Filed: Apr 15, 2021
Date of Patent: Feb 14, 2023
Assignee: Self Electronics Co., Ltd. (Ningbo)
Inventors: Zhaoyong Zheng (Zhejiang), Chengke Zhang (Zhejiang)
Primary Examiner: Derrick E Holland
Application Number: 29/788,214
Type: Grant
Filed: Apr 15, 2021
Date of Patent: Feb 14, 2023
Assignee: Self Electronics Co., Ltd. (Ningbo)
Inventors: Zhaoyong Zheng (Zhejiang), Chengke Zhang (Zhejiang)
Primary Examiner: Derrick E Holland
Application Number: 29/788,214
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)