Attic hatch

Details Attic hatch Attic hatch

2006-08-15

2006-08-15

Slack, Naoko (Department: 3635)

Static structures (e.g., buildings)

With entrance for persons or objects in horizontal or...

C052SDIG008, C052S309900, C052S794100

Reexamination Certificate

active

07089704

ABSTRACT:
A prefabricated attic hatch includes a frame comprising an outer frame and an inner frame. The inner frame encloses a central insulating panel which is fabricated from metal-skinned insulating foam. A preferred material for the panel is metal insulated door waste material. A method of fabricating attic hatches includes the use of metal insulated door waste material.

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patent: 2778423 (1999-11-01), None
patent: WO 95/08688 (1995-03-01), None
“Windows and Doors”, 1994, Sustainable Building Sourcebook.

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