Tank flotation device

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Description

FIG. 1 is a perspective view of a tank flotation device in accordance with the present design;

FIG. 2 is an alternative perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Claims

The ornamental design for a tank flotation device, as shown and described.

Referenced Cited
U.S. Patent Documents
D258223 February 10, 1981 Itakura
D349744 August 16, 1994 Wolfe
D519577 April 25, 2006 Hayashi
D717900 November 18, 2014 Monroe
D786998 May 16, 2017 Frerich
D827751 September 4, 2018 Ligeri
D842414 March 5, 2019 Ligeri
D860367 September 17, 2019 Barrett
D897473 September 29, 2020 de Grasse
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
Classifications
Current U.S. Class: Simulative (D21/808)