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Underground tornado shelter
D242924 Underground tornado shelter
Patent Drawings:Drawing: D242924-2    Drawing: D242924-3    
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(2 images)

Inventor: McKnight
Date Issued: January 4, 1977
Application: 05/561,557
Filed: March 24, 1975
Inventors: McKnight; Charles E. (Salem, IN)
Primary Examiner: Word; A. Hugo
Assistant Examiner:
Attorney Or Agent: Hobbs; Marmaduke A.
U.S. Class: D25/16; D25/36
Field Of Search: D13/1R; D13/1A; D13/1B; D13/1L; D13/1D; D13/1E; 98/33; 52/80; 52/81; 52/169; 52/170; D25/16; D25/33; D25/35; D25/36
International Class:
U.S Patent Documents: 3145640; 3212220; 3230911
Foreign Patent Documents:
Other References:

Claim: The ornamental design for an underground tornado shelter, substantially as shown.
Description: FIG. 1 is a perspective view of an underground tornado shelter embodying the present design;

FIG. 2 is an elevational view of an underground tornado shelter illustrated in FIG. 1, showing the side opposite that shown in FIG. 1;

FIG. 3 is a vertical cross sectional view of the underground tornado shelter, the section being taken on line 3--3 of FIG. 1;

FIG. 4 is a vertical cross sectional view of the underground tornado shelter, the section being taken on line 4--4 of FIG. 3;

FIG. 5 is an elevational view of the present underground tornado shelter showing the end seen in FIG. 1; and

FIG. 6 is an elevational view of the end of the underground tornado shelter shown in the preceding figures, showing the end opposite that seen in FIGS. 1 and 5.

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