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The ornamental design for opera glasses, as shown and described. |
FIG. 1 is a perspective view of opera glasses showing our new design;
FIG. 2 is a perspective view thereof from the side opposite that shown in FIG. 1;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is an end elevational view thereof from the left of FIG. 4, the opposite end elevational view being the mirror image thereof; and
FIG. 6 is a top plan view thereof, the bottom plan view thereof being identical.
Wakayama, Shoji, Akiyama, Akio
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 15 1988 | WAKAYAMA, SHOJI | YOUNG OPTICAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004879 | /0495 | |
Apr 15 1988 | AKIYAMA, AKIO | YOUNG OPTICAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004879 | /0495 | |
Apr 28 1988 | Young Optical Co., Ltd. | (assignment on the face of the patent) | / |
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