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Publication numberUSD184747 S
Publication typeGrant
Publication dateMar 31, 1959
Filing dateJul 24, 1958
Publication numberUS D184747 S, US D184747S, US-S-D184747, USD184747 S, USD184747S
InventorsHarvey R. Livesay
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Building block
US D184747 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

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

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US7963727Sep 12, 2007Jun 21, 2011E. Dillon & CompanyRetaining wall block and retaining wall comprised of retaining wall blocks
US8734060Feb 17, 2011May 27, 2014E. Dillon & CompanyDouble-wall structure comprised of interconnected dry-stacked wall blocks