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The ornamental design for a building board, substantially as shown and described. |
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FIG. 1 is a front elevational view of a building board showing my new design.
FIG. 2 is a left end elevational view thereof.
FIG. 3 is a right end elevational view thereof.
FIG. 4 is a top plan view thereof.
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a perspective view thereof.
The panel rear is plain and flat.
| Patent | Priority | Assignee | Title |
| D269727, | Jan 20 1978 | OY WIIK & HOGLUND AB , | Sheet of plastic material |
| Patent | Priority | Assignee | Title |
| 222855, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 31 1975 | Nippon Paint Co., Ltd. | (assignment on the face of the patent) | / |
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