Safety warning sign for stairs
US D158662 S
Description (OCR text may contain errors)
y 1950 o. A. HENDRICKSON I 4 Des. 158,662
5mm WARNING SIGN FOR sums Filed June 10, 1949 W I l l V A 111 l /l I [\X \\&\ J
Invent 0570 fl'. Hendrik/419012 Attorney Patented May 23, 1950 Des. 158,662
UNITED STATES PATENT OFFICE SAFETY WARNING SIGN FOR STAIRS Otto A. Hendrickson, Conover, Wis.
Application June 10, 1949, Serial No. 3,172
Term of patent 7 years To all whom it may concern:
Be it known that I, Otto A. Hendrickson, a citizen of the United States, residing at Conover, in the county of Vilas and State of Wisconsin, have invented a new, original, and ornamental Design for a Safety Warning Sign for Stairs, of which the following is a specification, reference being had to the accompanying drawing, forming a part hereof.
In the drawing:
Figure 1 is a plan view of a safety warning sign for stairs showing my new design, and
Figure 2 is a cross sectional view thereof taken substantially along a, plane as indicated by the line 2-2 of Figure 1.
Iclaim: The ornamental design for a safety warning sign for stairs, as shown.
OTTO A. HENDRICKSON.
REFERENCES CITED The following references are of record in the file of this patent:
5,000,000 Casualties on the Home Front, Neuschutz, 1947, Tech., 614.8-N495-47-54391, page 28, D. C. Public Library.
Safety, Williams, MacMillan Co., 1940, page 85, Library of Education I-IV675-W53.