Reinforced door frame

Details Reinforced door frame Reinforced door frame

1976-08-10

1977-04-05

Bell, J. Karl

Static structures (e.g., buildings)

Window or window sash, sill, mullion, or glazing

Decorative grill attached to sash

49504, 52213, E06B 104

Patent

active

040153827

ABSTRACT:
A door frame made up of two jamb sections and a head section connected together to fit into a rough door opening. The sections are each made up of an elongated, generally channel-shaped member having two spaced legs and an elongated, generally Z-shaped member having a flat surface disposed parallel to the legs of the channel. Surfaces of the Z-shaped member are supported in spaced, parallel relation to the surfaces of the channel member, providing spaces to receive wall material therebetween.

REFERENCES:
patent: 3299592 (1967-01-01), Cable
patent: 3385004 (1968-05-01), Oehler et al.
patent: 3429076 (1969-02-01), Fortsch et al.
patent: 3721055 (1973-03-01), Jerchower
patent: 3769773 (1973-11-01), Mochizuki

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