Title: Single hung window with removable fixed lite

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.

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Inventors: Rackard, Troy D. (Lexington, NC, US)

Application Number: 630739
Filing Date: 1975-11-10
Publication_date: 1977-06-07
Assignee: National Gypsum Company (Buffalo, NY)
Primary Class(es): 49/458
Other Classes:
US Patent Ref:

2727596	Dec, 1955	Smith	49/463.
2799890	Jul, 1957	Stavich	49/463.
2818919	Jan, 1958	Sylvan	49/453.
2952048	Sep, 1960	Graham	49/446.
3455060	Jul, 1969	Fournier	49/445.
3466806	Sep, 1969	Teggelaar et al.	49/445.
3584417	Jun, 1971	Gatton	49/404.

Other Refs:
Primary Examiner: Caun, Peter M.
Assistant Examiner:
Attorney: Hause; Robert F.