US D225981 S
Description (OCR text may contain errors)
United States Patent 0 cc STAIR TREAD Culver S. Brown 4 Melville Ave.,
Filed Jan. 26, 1970, Ser. No. 21,177
Term of patent 14 years Int. Cl. D2502 US. Cl. D137 Des. 225,981 Patented Jan. 16, 1973 FIG. 1 is a perspective view showing the stair tread in combination with several other stair treads of identical design to form a spiral staircase, the broken line portions being shown for illustrative purposes only and form no part of the claim;
FIG. 2 is a top plan view;
FIG. 3 is a side elevation;
FIG. 4-is a bottom plan;
FIG. 5 is an end view taken from the right-hand side of FIGS. 2, 3 and 4;
FIG. 6 is an end view taken from the left-hand side of FIGS. 2, 3 and 4;
FIG. 7 is a sectional view taken at line 77 of FIG. 3;
FIG. 8 is a sectional view taken at lines 88 of FIG. 3.
8/1968 France 52187 4/1964 Great Britain 52-187 OTHER REFERENCES Sweets Architectural Catalog File, 1965, section 6g/ Duv, p. 3, item design #311.
A. HUGO WORD, Primary Examiner