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The ornamental design for a gas mask, as shown and described.
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FIG. 1 is a perspective view of a gas mask in the open position showing my new design
FIG. 2 is a side view of the gas mask in the open position.
FIG. 3 is a side view of the gas mask in the closed position.
FIG. 4 is a front view of the gas mask in the closed position.
FIG. 5 is a perspective view of the gas mask in the closed position.
FIG. 6 is a top view of the gas mask in the closed position.
FIG. 7 is an underside view of the gas mask in the closed position; and,
FIG. 8 is an underside perspective view of the gas mask in the closed position.
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| 11426553, | Apr 16 2018 | AERONICS, INC | Portable gas delivery system |
| D479321, | Jul 29 2002 | Medihale Ltd. | Respiratory device |
| D912239, | Apr 16 2018 | AERONICS, INC | Mask |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 10 2001 | EMANUEL, ROCCO | OXY-GENE COM PTY LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012175 | /0488 | |
| Sep 14 2001 | Oxy-Gene.Com Pty Ltd | (assignment on the face of the patent) | / |
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