The ornamental design for a light-emitting backplate for a tricycle, as shown and described.
FIG. 1 is a front, side perspective view of a light-emitting backplate for a tricycle;
FIG. 2 is a rear, side perspective view thereof;
FIG. 3 is a rear, perspective view thereof;
FIG. 4 is another rear, perspective view thereof; and,
FIG. 5 is an enlarged rear, perspective view thereof.
The portions of a tricycle shown in broken lines in FIGS. 1–5, including handle bars, wheels, pedals, seat, and body other than the backplate denote the environmental use of the claimed design and form no part of the claimed design.
The portions of the backplate shown in broken lines in FIG. 5 including regions for coupling the backplate to the back wheels and to a portion of the body of the tricycle denote the environmental use of the claimed design and form no part of the claimed design.