USD221630S - Floor structure of concrete slats - Google Patents

Description

United States Patent 0 Des. 221,630

Patented Aug. 31, 1971 FLOOR STRUCTURE OF CONCRETE SLATS Edward J. Hatten, Stacyville, Iowa 50476 Filed May 7, 1970, Ser. No. 22,876

Term of patent 14 years Int. Cl. D25-01 US. Cl. D131 PAGE 2 FIG. 1 is a perspective view of a floor structure of I claim: concrete slats showing my new design, The ornamental design for a floor structure of concrete FIG. 2 is an end view thereof from the left side of slats, as shown and described. FIG. 1,

FIG. 3 is an end view thereof from the right side of References Cited 1, UNITED STATES PATENTS FIG. 4 1s a top v1ew thereof,

FIG. 5 is a bottom view thereof, 119171573 7/1933 Black- FIGS. 6 and 7 are respective opposite perspective views 2,054,499 9 1936 n of the slat making up the floor structure in FIG. 1, and 21832103 4/1958 Blnghaln- FIG. 8 is a side view of said slat. 2,967,620 1/1961 Blxby- A. HUGO WORD, Primary Examiner

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