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

Claim 5:
6. The underground shelter of claim 1 further comprising:
an entry room having at least two entry panels, wherein one of the entry panels is a base entry panel connected to the bottom of the entry room, wherein pairs of the at least two entry panels are affixed to each other along an interface, and wherein the pairs of the at least two entry panels at least partially encompass an interior of the entry room;
the entry room having a secondary entrance allowing access to the interior of the entry room, wherein the entry room is affixed to the housing unit adjacent to the at least one entry port, wherein the secondary entrance is at least partially covered by a secondary removable hatch, wherein the entry port is at least partially covered by an entry removable hatch, and wherein a pressure port is located on the one of the entry panels having the entry port to the housing unit, wherein the pressure port allows for the creation of a pressure differential between the air pressure in the interior of the entry room and an air pressure in the interior of the housing unit.