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