Patent
   D976795
Priority
Apr 24 2020
Filed
Oct 22 2020
Issued
Jan 31 2023
Expiry
Jan 31 2038
Assg.orig
Entity
unknown
0
7
n/a
The ornamental design for a buoyancy chamber, as shown and described.

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.

Wei, Jiancang, Tian, Chunjiang

Patent Priority Assignee Title
Patent Priority Assignee Title
6000978, Dec 23 1997 Propulsion device for snorkel board
6321676, Jan 07 1999 SEAMAGINE HYDROSPCE CORPORATION Underwater craft having sealed and inflatable buoyancy chambers
20180079086,
20220081081,
D649924, Feb 17 2010 CONSOLIDATED OCEAN TECHNOLOGIES, INC Buoyancy engine module for an unmanned underwater vehicle
D909321, Aug 02 2019 SEMI LED CO., LTD. Buoyancy body
D916979, Nov 22 2017 DEEPINFAR OCEAN TECHNOLOGY INC Floater attachment for underwater vehicle
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 09 2020WEI, JIANCANGSUBLUE UNDERWATER AI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0541400899 pdf
Oct 09 2020TIAN, CHUNJIANGSUBLUE UNDERWATER AI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0541400899 pdf
Oct 22 2020SUBLUE UNDERWATER AI CO., LTD.(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule