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
Flat panel crystal display employing simultaneous charging of main and subsidiary pixel electrodes
Data processing apparatus, activation control method, and computer-readable storage medium
Encoding method and encoding device, decoding method and decoding device and transcoding method and transcoder for multi-object audio signals
Plants and seeds of corn variety CV092363
Process for producing a carbon-comprising support
System and method for video encoding
Optimized control of an energy supplying system and an energy consuming system
  Randomly Featured Patents
System for producing enhanced thermal images
Secondary station and method of operating the station
Multi-frequency transmitter using predistortion and a method of transmitting
Structure of a ratchet wrench
Method and apparatus for cufflessly and non-invasively measuring wrist blood pressure in association with communication device
Heart shaped package
Image transfer apparatus and method for ejecting image receptor
Lithium salts of fluorinated borate esters for lithium-ion batteries
Water bottle lid
Non-toxic anthelminthic pour-on composition