USD226267S - Structural building block - Google Patents
Structural building block Download PDFInfo
- Publication number
- USD226267S USD226267S US D226267 S USD226267 S US D226267S
- Authority
- US
- United States
- Prior art keywords
- building block
- structural building
- structural
- view
- germany
- Prior art date
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Description
nited States Patent 0 Des. 226,257 Patented F eh. 6, 1973 STRUCTURAL BUILDING BLOCK Roland Spellier, Lemgo, Germany, assignor to Richard Heinze, Herford, Germany Filed Nov. 9, 1971, Ser. No. 197,201
Term of patent 14 years Int. Cl. D2501 US. Cl. Dl8--2 R FIG. 2.
FIG. 1 is a perspective view of the structural building block comprising two identical units fixed back-to-back;
FIG. 2 is a front .view thereof; and
FIG. 3 is a side view thereof.
I claim:
The ornamental design for a structural building block, as shown,
FIG. 3.
References Cited UNITED STATES PATENTS D. 317,764 10/1899 Locke D60-2 783,448 2/1905 Merrill. 3,386,217 6/ 1968 Couture.
A'. HUGO WORD, 'Primary Examiner
Family
ID=
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