Bubble machine
Description
The broken lines in the drawings depict portions of the bubble machine that form no part of the claimed design.
Claims
The ornamental design for a bubble machine, as shown and described.
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Patent History
Patent number: D947951
Type: Grant
Filed: Feb 28, 2021
Date of Patent: Apr 5, 2022
Inventor: Wu Chen (Shantou)
Primary Examiner: Catherine A Tuttle
Application Number: 29/772,234
Type: Grant
Filed: Feb 28, 2021
Date of Patent: Apr 5, 2022
Inventor: Wu Chen (Shantou)
Primary Examiner: Catherine A Tuttle
Application Number: 29/772,234
Classifications