Claims (1)
Claim 1 (Independent)
The ornamental design for underwater building material as shown and described.
Full Description
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1 . 1 : Front
1 . 2 : Back
1 . 3 : Perspective
1 . 4 : Left
1 . 5 : Right
1 . 6 : Top
1 . 7 : Bottom
1 . 8 : Rear perspective view
The contrast in shading is provided for clarity of illustration only and is not indicative of any contrast in appearance, color, material, or finish, and forms no part of the claimed design.
Citations
This patent cites (22)
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