Bubble machine
The dashed lines in the figures illustrate portions of the bubble machine that form no part of the claimed design. The dash dot dash lines in
Claims
The ornamental design for a bubble machine, as shown and described.
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Type: Grant
Filed: Apr 4, 2023
Date of Patent: Oct 31, 2023
Inventor: Jingcheng Wang (Shantou)
Primary Examiner: Katherine Glennon
Assistant Examiner: Yuan Yuan
Application Number: 29/873,595