Mouthguard

FIG. 1 is a front view of a mouthguard showing my new design; FIG. 2 is a rear view thereof; FIG. 3 is a top view thereof; FIG. 4 is a bottom view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top perspective view thereof; FIG. 8 is a bottom perspective view thereof; FIG. 9 is an exploded bottom perspective view thereof with the upper part being shown separated from the lower part; FIG. 10 is an exploded top perspective view thereof with the upper part being shown separated from the lower part; FIG. 11 is an enlarged view of an encircled portion, “ 11 ,” in FIG. 7 ; and, FIG. 12 is an enlarged view of an encircled portion, “ 12 ,” in FIG. 8 . The even dashed broken lines depict portions of the mouthguard that form no part of the claimed design. The dash-dot-dash broken lines illustrate the boundary lines of the claim. The dash-dot-dot broken lines illustrate the boundary of the enlarged portion views of FIGS. 11 and 12 .