Plug Seal

FIG. 1 . is a perspective view of a plug seal showing the design;

FIG. 2 . is a second perspective view thereof;

FIG. 3 . is a top plan view thereof;

FIG. 4 . is a bottom plan view thereof;

FIG. 5 . is a left side elevation view thereof;

FIG. 6 . is a right side elevation view thereof;

FIG. 7 . is a front elevation view thereof;

FIG. 8 . is a rear elevation view thereof;

FIG. 9 . is a perspective view thereof, shown in an environment of use;

FIG. 10 . is a perspective view of a second plug seal showing the design;

FIG. 11 . is a second perspective view thereof;

FIG. 12 . is a top plan view thereof;

FIG. 13 . is a bottom plan view thereof;

FIG. 14 . is a left side elevation view thereof;

FIG. 15 . is a right side elevation view thereof;

FIG. 16 . is a front elevation view thereof;

FIG. 17 . is a rear elevation view thereof; and,

FIG. 18 . is a perspective view thereof, shown in an environment of use.

The broken lines showing a bottle and tubing in FIGS. 9 and 18 illustrate environmental structure. All other broken lines illustrate portions of the plug seal. The broken lines form no part of the claimed design.