Movable or removable closures – With means mounting closure for reciprocation – Interengaging meeting rails
Patent
1975-11-10
1977-06-07
Caun, Peter M.
Movable or removable closures
With means mounting closure for reciprocation
Interengaging meeting rails
E05D 1516
Patent
active
040274314
ABSTRACT:
A two lite single hung window with a top fixed lite having a structure permitting affixation within the window frame involving only two screws, providing a window frame opening free of any middle rail when both lites are removed from the frame.
REFERENCES:
patent: 2727596 (1955-12-01), Smith
patent: 2799890 (1957-07-01), Stavich
patent: 2818919 (1958-01-01), Sylvan
patent: 2952048 (1960-09-01), Graham
patent: 3455060 (1969-07-01), Fournier
patent: 3466806 (1969-09-01), Teggelaar et al.
patent: 3584417 (1971-06-01), Gatton
Caun Peter M.
Hause Robert F.
National Gypsum Company
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