The ornamental design for a rainguttercover, as shown and described.
FIG. 1 is a top perspective view of a rain gutter cover in accordance with a first variant;
FIG. 2 is a top plan view of the rain gutter cover shown in FIG. 1;
FIG. 3 is a bottom plan view of the rain gutter cover shown in FIG. 1;
FIG. 4 is a right-side elevation view of the rain gutter cover shown in FIG. 1, the left-side elevation view being a mirror image thereof;
FIG. 5 is a front elevation view of the rain gutter cover shown in FIG. 1;
FIG. 6 is a rear elevation view of the rain gutter cover shown in FIG. 1; and,
FIG. 7 is a perspective view of the rain gutter cover shown in FIG. 1, engaged with a gutter.
The broken lines in FIGS. 1 through 7 illustrate portions of the rain gutter cover that form no part of the claimed design. The other broken lines in FIG. 7 showing a gutter represent environmental subject matter only and form no part of the claimed design. The rain gutter cover is shown with a symbolic break in its length. The appearance of the jagged break lines and the portion of the rain gutter cover between the jagged break lines forms no part of the claimed design.