USD223571S - Building block - Google Patents

Description

nited States Patent O V Des. 223,571 Patented May 9, 1972 223,571 BUILDING BLOCK Conrad L. Pickel, 500 SW. 16th St., Boynton Beach, Fla. 33435 Filed Sept. 30, 1970, Ser. No. 25,268

Term of patent 14 years Int. Cl. D25--01 US. Cl. DIS-Z FIG. 1 is a front view of a building block showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a rear view of the blocl ;'and

FIG. 4 is a top view of said block.

I claim:

The ornamental design for a building block, as shown.

References Cited UNITED STATES PATENTS D. 189,967 3/1961 Keogh D182 D. 200,405 2/1965 Stoy D182 3,417,533 12/1968 Sparling.

FOREIGN PATENTS 1,080,475 6/1954 France D18-2 OTHER REFERENCES Architectural Record, July 1959, 291, screen block illustration. 1

A. HUGO WORD Primary Examiner

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