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The ornamental design for the bird perch ladder, as shown and described. |
FIG. 1 is a front elevational view of a bird perch ladder showing our new design turned conter clockwise at a 45 degree angle to FIG. 2;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is an enlarged top plan view of FIG. 1; and,
FIG. 4 is an enlarged bottom plan view of FIG. 1.
The indentations in the second horizontal bar from the top in FIG. 1, the second element on the left side of FIG. 1 below the second log, the first rectangular element on the left side of FIG. 1 underneath the third horizontal bar from the top, the bottom most cube on the right side of FIG. 1 and the bottom most cube of FIG. 2 are shaded the color teal.
Edlebeck, Debbie, Day, David J.
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