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The ornamental design for a speaking port, as shown and described. |
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FIG. 1 is a front view of a door incorporating a speaking port showing our new design;
FIG. 2 is a front perspective view of the speaking port showing our new design;
FIG. 3 is a rear view thereof; and
FIG. 4 is a top view thereof.
The door is shown in broken lines in FIG. 1 for illustrative purposes only and form no part of the claimed design.
Hunt, William B., Heiderich, William H.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 3871151, | |||
| 3906698, | |||
| 4016699, | Aug 27 1975 | NOBLIT BROTHERS, INC , A CORP OF DE | Decorative grille structure |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 20 1976 | Simpson Timber Company | (assignment on the face of the patent) | / |
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