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US 6,385,919 B1Granted
Disaster shelter
OwnerWalton W. McCarthyinventor
Life of this patent
Estimating the term…
Abstract
A disaster shelter for mounting under ground. The shelter includes an entranceway having at least one air vent and a substantially hollow paraboloid shaped shelter cell. The shelter cell includes a paraboloid focus portion attached to the entranceway and paraboloid base portion disposed opposite the entranceway. A gravity ring is attached to the paraboloid base portion and is dimensioned such that the shelter is constrained within the ground when the water table reaches ground level.
Claims20
A disaster shelter for mounting under ground, said disaster shelter comprising
- an entranceway comprising at least one air vent;
- a substantially hollow partial paraboloid shaped shelter cell, said shelter cell having a paraboloid focus portion attached to said entranceway and paraboloid base portion disposed opposite said entranceway;
- and
- a gravity ring attached to said paraboloid base portion, said gravity ring being dimensioned such that said disaster shelter is constrained within the ground when a water table reaches a level of the ground.
1 more element
Dependencies are inferred from the claim text.