Shelter vacuum hold down device

Tent – canopy – umbrella – or cane – Portable shelter – Floor or base structure

Reexamination Certificate

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Details

C135S137000, C052S002130

Reexamination Certificate

active

07543594

ABSTRACT:
An air supported positively pressurized flexible material shelter for use on a surface comprising a flexible wall and a skirt connected to the wall and surrounding the flexible wall. A source of vacuum being propagated beneath the skirt along the flexible wall, to vacuum the skirt down to the surface to secure the temporary shelter to the surface. The skirt forms a continuous connection with the surface around the entire perimeter of the shelter. An optional flexible seal is provided essentially parallel to a vacuum channel and on an exterior edge of the skirt spaced from the flexible wall.

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