Nano air stone

Description

FIG. 1 is a front, right and bottom perspective view of a first embodiment of nano air stone, showing my new design;

FIG. 2 is a rear, left and top perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of portion 9 of FIG. 1 thereof.

FIG. 10 is a front, left and bottom perspective view of a second embodiment of nano air stone;

FIG. 11 is a rear, right and top perspective view thereof;

FIG. 12 is a front view thereof;

FIG. 13 is a rear view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a right side view thereof;

FIG. 16 is a top plan view thereof;

FIG. 17 is a bottom plan view thereof; and,

FIG. 18 is an enlarged view of portion 18 of FIG. 10 thereof.

The broken lines shown in the drawings illustrate portions of the nano air stone that form no part of the claimed design.

The dot-dash broken lines depict the boundaries of the enlargements that form no part of the claimed design.

Claims

The ornamental design for a nano air stone, as shown and described.