US D184747 S
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United States Patent 0 BUILDING BLOCK Des. 184,747
Patented Mar. 31, 1959 Harvey R. Livesay, Jr., San Antonio, Tex., assignor t0 Prestressing, Incorporated, Bexar County, Tex., a corporation of Texas Application July 24, 1958, Serial No. 51,923
Term of patent 14 years (Cl. DIS-2) Del. 1 84,74 7
PAGE 2 Fig. 1 is a front perspective view of a building block showing my new design;
I claim: The ornamental design for a building block, substantially as shown.
Fig. 2 is a rear perspective view thereof; Fig. 3 is a front elevational view thereof; Fig. 4 is a top plan view; and
References Cited in the file of this patent UNITED STATES PATENTS Fig. 5 is a top end view thereof.
D. 180,678 Veale July 16, 1957