US D220013 S
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0 D 220,013 Uflltfid StatS Patnt Ofifice Patented F2123, 1971 WARNING SIGNAL Martin Kaltman, Flushing, N.Y., assignor to Queens Devices, Incorporated, Long Island City, N.Y., a corporation of New York Filed Apr. 30, 1969, Ser. No. 16,960
Term of patent 14 years Int. Cl. D29-99 US. Cl. D72-1 PAGE 2 FIG. 1 is a front view of a warning signal showing my new design; and
FIG. 2 is a rear view thereof.
FIG. 3 is an elevational view thereof as taken from. the left side of FIG. 1;
FIG. 4 is an elevational view thereof as taken from the right side of FIG. 1.
The ornamental design for a warning signal, substantially as shown.
PAGE 5 References Cited UNITED STATES PATENTS D. 63,260 11/1923 Isaacs. 1,818,624 8/1931 Hover.
WALLACE R. B URKE, Primary Examiner S. J. MERCER, Assistant Examiner