Door assembly

Details Door assembly Door assembly

1988-11-14

1990-11-06

Friedman, Carl D.

Static structures (e.g., buildings)

Insulating insert; e.g., filler in cavity in preconstructed...

Insulation suspended from discrete member within cavity

E04B 174

Patent

active

049675257

ABSTRACT:
The invention is directed to a door assembly comprising a door and a side panel assembly having a front and a rear wall. The front wall is formed by one or more releasably secured panels which may be accessed from the front or from the rear through a panel in the rear wall.
A mail slot is also described and claimed.

REFERENCES:
patent: 2849175 (1958-08-01), Thieman
patent: 3197931 (1965-08-01), Seery
patent: 3568383 (1971-03-01), Judkins et al.
patent: 3628297 (1971-12-01), Richardson
patent: 3643395 (1972-02-01), Schuyler et al.
patent: 3811238 (1974-05-01), Brinker
patent: 4502249 (1985-03-01), Banford
patent: 4577444 (1986-03-01), Sanderson

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