Thermal stairway cover

Details Thermal stairway cover Thermal stairway cover

1991-10-15

1993-06-22

Friedman, Carl D.

Static structures (e.g., buildings)

Auxiliary imperforate panel-like shield attached to main...

182 47, 182 77, E06B 326

Patent

active

052207579

ABSTRACT:
A thermal stairway cover is disclosed for insulating a stairway opening containing a pull-down, ceiling stairway leading to an attic. A plate is movable between a first position which closes the cover and reduces heat transfer therethrough and a second position where the cover is open to provide access through the stairway opening to the attic.

REFERENCES:
patent: 2945548 (1958-04-01), Tapp
patent: 3849951 (1974-11-01), Howle
patent: 4337602 (1982-07-01), King
patent: 4344505 (1982-08-01), Waters et al.
patent: 4541208 (1985-09-01), Vesperman et al.
patent: 4591022 (1986-05-01), Sciambi et al.
patent: 4658555 (1987-04-01), Steiner
patent: 4928441 (1990-05-01), Daley
Thermal Stairway Cover, Pearson Industries, Ltd. Folding Attic Stair-Well Cover, Forest City Fabricators.

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