One-way Check Valve

FIG. 1 is a first perspective view of a one-way check valve employing an ornamental design in accordance with the present invention;

FIG. 2 is a second perspective view thereof;

FIG. 3 illustrates a first side view thereof;

FIG. 4 illustrates a second side view thereof;

FIG. 5 illustrates a front view thereof;

FIG. 6 illustrates a rear view thereof;

FIG. 7 illustrates a third side view thereof; and,

FIG. 8 illustrates a fourth view of thereof.

The broken line portions of FIGS. 1 - 8 are included to show unclaimed subject matter only and form no part of the claimed one-way check valve.