Movable or removable closures – Registerable opening in facially opposed closure and barrier
Patent
1982-08-26
1984-12-04
Kannan, Philip C.
Movable or removable closures
Registerable opening in facially opposed closure and barrier
49 50, 49 90, 49 95, E06B 702
Patent
active
044855893
ABSTRACT:
A window assembly for controlling light and ventilation and preventing undesired passage through the window opening has spaced horizontal fixed slats, spaced horizontal movable slats which may be moved vertically to partially or wholly close the spaces between the fixed slats, and vertically spaced tool steel bars extending across the window opening and anchored at their ends in the building structure in which the window assembly is mounted.
REFERENCES:
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patent: 2123751 (1938-07-01), Sigal
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patent: 3113355 (1963-12-01), Tracy et al.
patent: 3412506 (1968-11-01), Shiota
patent: 3460289 (1969-08-01), Toth
Architectural Affiliates
Kannan Philip C.
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