Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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)
Assignee:
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:









Abstract:
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
Correcting color plate data for mis-registration in a sub-scanning direction by performing a pixel transition at the transition point aligned in the main-scanning direction
Enhanced claims damage estimation using aggregate display
Buildable dinnerware
Method for producing (meth)acrylic anhydride, method for storing (meth)acrylic anhydride, and method for producing (meth)acrylate
Nitrogen-doped carbon-supported cobalt-iron oxygen reduction catalyst
Device and process for isolating and cultivating live cells on a filter or extracting their genetic material
Power supply system for motor vehicle
  Randomly Featured Patents
Thermostatic switch construction
Plasma processing apparatus with filter circuit
Toner and developer for developing latent electrostatic images, and image forming apparatus
Liquid-cooled composite piston for internal combustion engines
Switchable antireflective coatings
Bar compositions comprising novel chelating surfactants
Multilevel frequency addressable field driven MRAM
Non-volatile semiconductor device having a means to relieve a deficient erasure address
Data aided symbol timing system for precoded continuous phase modulated signals
Displaying instrument and luminous pointer