Claims (1)
Claim 1 (Independent)
The ornamental design for an alignment cube extension, as shown and described.
Full Description
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FIG. 1 is an isometric view of an alignment cube extension showing my new design.
FIG. 2 is an isometric view thereof.
FIG. 3 is a side view thereof.
FIG. 4 is a side view thereof; and,
FIG. 5 is a side view thereof.
Citations
This patent cites (13)
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