Emergency power supply
Latest SHENZHEN BILLDA TECHNOLOGY CO., LTD Patents:
Description
The broken lines in the drawings depict portions of the emergency power supply that form no part of the claimed design.
Claims
The ornamental design for an emergency power supply, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- “30W Led Light Emergency Backup Battery for 80-300w UFO highbay Fixture Rechargeable >90 Min Emergent Time 0/1-10V dimmable Driver Lamp 100-347VAC Suspended Mount(30W 120-180vDC)”, Amazon.com, first available on Apr. 24, 2018. (Year: 2018). <https://www.amazon.com/Emergency-Rechargeable-100-347VAC-Suspended-120-180vDC/dp/B092ZPGZKF/>.
Patent History
Patent number: D972508
Type: Grant
Filed: Jun 8, 2021
Date of Patent: Dec 13, 2022
Assignee: SHENZHEN BILLDA TECHNOLOGY CO., LTD (Shenzhen)
Inventor: Jianjun Ke (Shenzhen)
Primary Examiner: Rosemary K Tarcza
Application Number: 29/787,808
Type: Grant
Filed: Jun 8, 2021
Date of Patent: Dec 13, 2022
Assignee: SHENZHEN BILLDA TECHNOLOGY CO., LTD (Shenzhen)
Inventor: Jianjun Ke (Shenzhen)
Primary Examiner: Rosemary K Tarcza
Application Number: 29/787,808
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)