Doors

Details Doors Doors

1984-02-14

1986-06-03

Kannan, Philip C.

Movable or removable closures

Mounted for optional movements

One closure movable separately from or with other closure

49 62, 160180, E06B 728

Patent

active

045921679

ABSTRACT:
A solid door for a dwelling, the door combining the features of security, ventilation and insect protection.
The door has an aperture covered by a security grill and an insect screen.
A sliding panel is fitted to the side of the door facing the interior of the dwelling so that the panel can close the aperture, or be opened to allow ventilation while still maintaining security and the exclusion of insects from the building.

REFERENCES:
patent: 1289753 (1918-12-01), Haydon
patent: 1788928 (1931-01-01), Mills
patent: 2152566 (1939-03-01), Phillips
patent: 2249386 (1941-07-01), Jones
patent: 2822041 (1958-02-01), Blankenship
patent: 2888071 (1959-05-01), Therien
patent: 2918708 (1959-12-01), Sharp et al.
patent: 2962773 (1960-12-01), Heller
patent: 3871434 (1975-03-01), Hance
patent: 3895669 (1975-07-01), Heeling

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