Vortex water flow accelerator
Description
The broken lines in the figures are for the purposes of illustrating portions of the vortex water flow accelerator, which form no part of the claimed design.
Claims
The ornamental design for a vortex water flow accelerator, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D971380
Type: Grant
Filed: Jun 22, 2022
Date of Patent: Nov 29, 2022
Inventor: Yongzhen Du (Shenzhen)
Primary Examiner: Keith J Wilson
Application Number: 29/843,507
Type: Grant
Filed: Jun 22, 2022
Date of Patent: Nov 29, 2022
Inventor: Yongzhen Du (Shenzhen)
Primary Examiner: Keith J Wilson
Application Number: 29/843,507
Classifications
Current U.S. Class:
Pressure Regulating Or Relieving (D23/235)