Patent ID: 11939792
Assignee: ATLAS SURVIVAL SHELTERS LLC
Field: Civil engineering (Other fields)
Classification: CPC E  F  Y | IPC E  F

Claim 12:
13. The underground shelter of claim 8 further comprising an air intake system comprising:
an at least one surface intake pipe connected to a corresponding sloped intake pipe which is connected to a corresponding vertical intake pipe, wherein the vertical intake pipe is attached to the exterior of an underground shelter, and wherein the sloped intake pipe is angled downward away from the point at which the corresponding vertical intake pipe is connected to the corresponding sloped intake pipe such that condensation that forms in the sloped intake pipe is caused to drain away from the corresponding vertical intake pipe and into the corresponding surface intake pipe, and wherein the located above ground, outside of the underground shelter, is caused to traverse through the at least one surface intake pipe, through the corresponding vertical sloped intake pipe, and through the corresponding vertical intake pipe to enter the interior of the underground shelter; and
an at least one vertical exhaust pipe connected to a corresponding surface exhaust pipe, wherein the vertical exhaust pipe is attached to the exterior of the underground shelter, and wherein air located in the interior of the underground shelter is caused to traverse through the at least one vertical exhaust pipe and through the corresponding surface exhaust pipe to egress out of the interior of the underground shelter.