Switching power supply
Latest GUANGZHOU YIHUA ELECTRONIC EQUIPMENT CO., LTD. Patents:
Description
The broken lines in the figures depict portions of the article which form no part of the claimed design.
Claims
The ornamental design for a switching power supply, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D844561
Type: Grant
Filed: Jun 2, 2017
Date of Patent: Apr 2, 2019
Assignee: GUANGZHOU YIHUA ELECTRONIC EQUIPMENT CO., LTD. (Guangzhou, Guangdong)
Inventor: Mingkang Gou (Guangdong)
Primary Examiner: Rosemary K Tarcza
Assistant Examiner: Nathaniel D. Buckner
Application Number: 29/606,251
Type: Grant
Filed: Jun 2, 2017
Date of Patent: Apr 2, 2019
Assignee: GUANGZHOU YIHUA ELECTRONIC EQUIPMENT CO., LTD. (Guangzhou, Guangdong)
Inventor: Mingkang Gou (Guangdong)
Primary Examiner: Rosemary K Tarcza
Assistant Examiner: Nathaniel D. Buckner
Application Number: 29/606,251
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)