
Claims (1)
Claim 1 (Independent)
The ornamental design for a building block, as shown and described.
Full Description
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is a front elevation view of a building block showing the new design;
is a back elevation view thereof;
is a left-side view thereof;
is a right-side view thereof;
is a top plan view thereof;
is a bottom plan view thereof;
is a perspective view thereof; and,
is another perspective view thereof.
Figures (8)
Citations
This patent cites (13)
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