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The ornamental design for a structural block, as shown. |
FIG. 1 is a top, front, and left side isometric view of the structural block of the invention;
FIG. 2 is a top view of the structural block;
FIG. 3 is a front view of the structural block;
FIG. 4 is a left side view of the structural block;
FIG. 5 is a right side view of the structural block;
FIG. 6 is a bottom view of the structural block;
FIG. 7 is a top, front and left side isometric view of an alternate embodiment of the structural block of the invention;
FIG. 8 is a top view of the alternate embodiment shown in FIG. 7;
FIG. 9 is a front view of the alternate embodiment shown in FIG. 7;
FIG. 10 is a left side view of the alternate embodiment shown in FIG. 7;
FIG. 11 is a right side view of the alternate embodiment shown in FIG. 7; and,
FIG. 12 is a bottom view of the alternate embodiment shown in FIG. 7.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 09 1999 | VONDROSS, KERRY L | Best Block Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009936 | /0224 | |
Mar 17 1999 | Best Block Company | (assignment on the face of the patent) | / | |||
Apr 06 2012 | Best Block Company | VONDROSS, KERRY | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 028600 | /0052 |
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