Door and frame molded of fibrous mineral material

Movable or removable closures – Panel with closure feature

Patent

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Details

49504, 428 74, 428 76, 428137, 428285, E06B 300

Patent

active

044855907

ABSTRACT:
A door and frame molded of glass wool and a binder and having polyester resin impregnated into outer surface portions.

REFERENCES:
patent: 2782465 (1957-02-01), Palmer, Jr.
patent: 2871056 (1959-01-01), Levitt
patent: 2970347 (1961-02-01), Massopust
patent: 3250041 (1966-05-01), Anger
patent: 3732646 (1973-05-01), Horvay et al.
patent: 4201247 (1980-05-01), Shannon

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