Case for head mounted audio-visual display system

FIG. 1 is a front perspective view of a case for head mounted audio-visual device showing our design;

FIG. 2 is a rear 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 bottom view thereof; and,

FIG. 8 is a top view thereof.

The broken lines depicting various portions of the case for head mounted audio-visual display system are included for the purpose of illustrating environmental structure and form no part of the claimed design.