In-ground shelter

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or...

Reexamination Certificate

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Details

C052S020000, C052S169900

Reexamination Certificate

active

07428800

ABSTRACT:
An improved shelter of the type having a front wall, a back wall, two opposing side walls, a bottom and a top defining a substantially rectangular box with an opening defined in the top, a flat lid adapted to cover the opening, a roller means for alternately rolling the lid to expose or close the open top, the improvement comprising: substantially, the entire top of the box defining an opening; the lid adapted to be substantially flush with the surrounding ground level in a closed position; and a roller means for allowing the lid to slide above the ground level, exposing more than half of the top when in an open position. The shelter alternatively including stairs rotatably affixed to the front wall and a stair support means releaseably supporting the stair in position to be used as a stepping entrance into the shelter, whereby the stair can be rotated against the front wall when not in use or rotated and fixed in place by the stair support means to serve as a stepping surface.

REFERENCES:
patent: 2653468 (1953-09-01), Rowles
patent: 3114153 (1963-12-01), Pierson
patent: 3118148 (1964-01-01), Taylor et al.
patent: 3173387 (1965-03-01), Cree, Jr.
patent: 4126972 (1978-11-01), Silen
patent: 4429495 (1984-02-01), Aoki
patent: 5732512 (1998-03-01), Ueno et al.
patent: 5953866 (1999-09-01), Poole
patent: 5974743 (1999-11-01), Vaia
patent: 6039201 (2000-03-01), Kesterman et al.
patent: 6161345 (2000-12-01), Hope et al.
patent: 6308471 (2001-10-01), Raynor
patent: 6393776 (2002-05-01), Waller et al.
patent: 6415558 (2002-07-01), Cherry
patent: 6981347 (2006-01-01), Walburger
patent: 2003/0167708 (2003-09-01), Shaw et al.
patent: 2003/0172597 (2003-09-01), Folkema

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