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The ornamental design for a breathing mask, as shown and described. |
FIG. 1 is a top, front and right side perspective view of a breathing mask showing our new design;
FIG. 2 is a bottom and rear perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and
FIG. 8 is a bottom plan view thereof.
Mano, Kaori, Kitamura, Nubuyuki
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 28 1989 | Japan Oxygen Co., Ltd. | (assignment on the face of the patent) | / | |||
May 14 1991 | MANO, KAORI | JAPAN OXYGEN CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 005774 | /0811 | |
May 14 1991 | KITAMURA, NUBUYUKI | JAPAN OXYGEN CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 005774 | /0811 |
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