The ornamental design for an antisepticswab, as shown and described.
FIG. 1 is a top perspective view of an antiseptic swab showing my new design;
FIG. 2 is a top plan view of the antiseptic swab of FIG. 1;
FIG. 3 is a bottom plan view of the antiseptic swab of FIG. 1;
FIG. 4 is a side elevation view of the antiseptic swab of FIG. 1, the opposite side elevation view being a mirror image of FIG. 4;
FIG. 5 is a front end view of the antiseptic swab of FIG. 1; and,
FIG. 6 is a rear end view of the antiseptic swab of FIG. 1.
The broken lines shown in FIGS. 1-6 illustrate portions of the antiseptic swab that form no part of the claimed design. The broken lines shown within the circular recess in FIGS. 3 and 5 illustrate a boundary line that forms no part of the claimed design.