The ornamental design for a seatbeltbuckleguard, as shown and described.
FIG. 1 is a perspective view of an embodiment of a seat belt buckle guard;
FIG. 2 is a front view of the seat belt buckle guard of FIG. 1;
FIG. 3 is a rear view of the seat belt buckle guard of FIG. 1;
FIG. 4 is a top plan view of the seat belt buckle guard of FIG. 1;
FIG. 5 is a bottom plan view of the seat belt buckle guard of FIG. 1;
FIG. 6 is a left side view of the seat belt buckle guard of FIG. 1; and,
FIG. 7 is a right side view of the seat belt buckle guard of FIG. 1.
It is to be understood that those portions of the seat belt buckle guard shown in broken line in the accompanying figures do not constitute an integral part of the claimed design and, therefore, are disclaimed as part of the claimed design.