Resources Contact Us Home
Underground tornado shelter
D242924 Underground tornado shelter
Patent Drawings:Drawing: D242924-2    Drawing: D242924-3    
« 1 »

(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.

* * * * *
  Recently Added Patents
Lubricating oil compositions
MOS device for eliminating floating body effects and self-heating effects
Fluorescent molecule and method for detecting target nucleic acid
Canopy light fixture
Advanced CAPTCHA using images in sequence
Maize variety hybrid X13A495
Latch-up free ESD protection
  Randomly Featured Patents
Process for preparing pharmaceutical compositions for use with soft gelatin formulations
Apparatus for manufacture of float glass
Conveyor belt end connection
Leaf spring load measuring device and program
Vertically integrated optical phased array with pseudo-random array architecture
Performance assessment of model predictive controllers
Rotary die cutting apparatus
Method for the production of reinforced composites
Easy cleaning liquid electrophotographic developer
Flexible semiconductor device with groove(s) on rear side of semiconductor substrate