Patent
   D242924
Priority
Mar 24 1975
Filed
Mar 24 1975
Issued
Jan 04 1977
Expiry
Jan 04 1991
Assg.orig
Entity
unknown
9
3
n/a
The ornamental design for an underground tornado shelter, substantially as shown.

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.

McKnight, Charles E.

Patent Priority Assignee Title
10584509, Sep 06 2001 ZAGORSKI FORMS SPECIALISTS, INC Concrete saferoom and method of manufacture
6393776, Mar 24 2000 Tornado shelter with composite structure and concrete tub encasement
6401409, May 27 1998 Underground storm shelter
7562508, Nov 07 2003 MARTIN MARIETTA MATERIALS, INC Shelter and associated method of assembly
7802402, Sep 26 2006 Turtl Enterprises LLC Crawl space access device
D251748, Jan 21 1977 Hammermill Paper Company; International Paper Company Toy building
D337166, Feb 22 1991 Storm cellar
D575878, Sep 18 2006 Tornado shelter
D680231, Jun 22 2012 Hurricane and tornado resistant structure
Patent Priority Assignee Title
3145640,
3212220,
3230911,
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule