Tank flotation device
Description
Claims
The ornamental design for a tank flotation device, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D968549
Type: Grant
Filed: Aug 16, 2021
Date of Patent: Nov 1, 2022
Inventor: JieYi Zhou (Dongguan)
Primary Examiner: Zenia I Bennett
Application Number: 29/803,684
Type: Grant
Filed: Aug 16, 2021
Date of Patent: Nov 1, 2022
Inventor: JieYi Zhou (Dongguan)
Primary Examiner: Zenia I Bennett
Application Number: 29/803,684
Classifications
Current U.S. Class:
Simulative (D21/808)