USD220426S - Building shell - Google Patents

Description

Des. 220,426

Patented Apr. 13, 1971 United States Patent Ofiice BUILDING SHELL Lawrence A. Samuelson, Houston, Tex., assiguor of fractional part interest to Michael D. Reifel, Houston, Tex.

Filed July 30, 1969, Ser. No. 18,463

Term of patent 14 years Int. Cl. D2504 U.S. Cl. D13-1l Des. 220,426

PAGE 2 FIG. 1 is a front perspective view of a building shell embodying the design which is characterized by an assembly of modular elements having the shape of hyperbolic paraboloids. The foundation, windows and door are shown by broken lines for illustrative purposes only.

FIG. 2 is a front elevation of the building shell.

FIG. 3 is a top plan view of the building shell.

FIG. 4 is a side elevation of the building shell.

FIG. 5 is a sectional view taken along lines 5--5 in FIG. 4.

FIG. 6 is a sectional view taken along lines 6--6 in FIG. 4. I

I claim:

The ornamental design for a building shell, substantially as shown and describes.

References Cited UNITED STATES PATENTS 3,346,998 10/1967 Nelson.

ture at bottom right of page.

Indusrial Design, February 1960, p. 44, IIT plastic house at bottom left of page.

Interbuild, November 1964, p. 19, folded plate structures at top of page.

A. HUGO URD, Primary Examiner

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