Buoyancy chamber

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Description

FIG. 1 is a front view of a buoyancy chamber showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines are for the purpose of illustrating portions of the buoyancy chamber that form no part of the claimed design.

Claims

The ornamental design for a buoyancy chamber, as shown and described.

Referenced Cited
U.S. Patent Documents
6000978 December 14, 1999 Donahue
6321676 November 27, 2001 Kohnen
D649924 December 6, 2011 Tureaud
D909321 February 2, 2021 Lee
D916979 April 20, 2021 Wei
20180079086 March 22, 2018 Patel
20220081081 March 17, 2022 Wei
Patent History
Patent number: D976795
Type: Grant
Filed: Oct 22, 2020
Date of Patent: Jan 31, 2023
Assignee: SUBLUE UNDERWATER AI CO., LTD. (Tianjin)
Inventors: Jiancang Wei (Tianjin), Chunjiang Tian (Tianjin)
Primary Examiner: Cynthia M. Chin
Application Number: 29/755,733
Classifications