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The ornamental design for a tuning fork, substantially as shown and described. |
FIG. 1 is a front elevational view of a tuning fork showing my new design;
FIG. 2 is a side elevational view;
FIG. 3 is a view like FIG. 2 with one of the two outer members of the tuning fork removed;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view; and
FIG. 6 is a view like FIG. 5 with the outer members shown in section at the location of line 6--6 in FIG. 1.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 22 1979 | Knab, Inc. | (assignment on the face of the patent) | / |
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