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The ornamental design for a playground structure, as shown. |
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FIG. 1 is a perspective view showing the front and left sides of a playground structure showing our new design;
FIG. 2 is an elevation view of the right side of the structure of FIG. 1;
FIG. 3 is a rear elevation view of the structure of FIG. 1;
FIG. 4 is a top plan view of the structure of FIG. 1.
Gibson, Charles L., Dieter, Berthold B.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| D250783, | Aug 17 1977 | Creative Playgrounds Corporation | Playground structure |
| D250784, | Aug 17 1977 | Creative Playgrounds Corporation | Playground structure |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Nov 17 1977 | Creative Playgrounds Corporation | (assignment on the face of the patent) |
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