Head mounted audio-visual display system

This application is related to U.S. Design patent application Ser. No. 29/653,573, filed on Jun. 15, 2018 under and entitled “Head Mounted Audio-Visual Display System,” 29/653,575, filed on Jun. 15, 2018 under and entitled “Head Mounted Audio-Visual Display System,” and 29/653,576, filed on Jun. 15, 2018 under and entitled “Head Mounted Audio-Visual Display System.” The contents of the aforementioned patent applications are hereby expressly and fully incorporated by reference in their entirety, as though set forth in full.

FIG. 1 is a front perspective view of a head mounted audio-visual display system 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 view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

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