The ornamental design for a draingrate, as shown and described.
FIG. 1 is a top perspective view of the drain grate according to the present invention;
FIG. 2 is a bottom perspective view of the drain grate of FIG. 1;
FIG. 3 is a top view of the drain grate of FIG. 1;
FIG. 4 is a front view of the drain grate of FIG. 1;
FIG. 5 is a bottom view of the drain grate of FIG. 1; and,
FIG. 6 is a left side view of the drain grate of FIG. 1, where the right side view (not shown) is a mirror of the left side view.
The drain grate is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claim.