Title:
Window frame with removable windows
Document Type and Number:
United States Patent 3122797

Inventors:
Valfredo, Segre
Publication Date:
03/03/1964
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Assignee:
Valfredo, Segre
Primary Class:
Other Classes:
160/90, 292/DIG.020, 292/175, 160/369, 49/63, 49/453
International Classes:
E06B3/44; E06B3/32
US Patent References:
2046259Window
2575266Screen window structure
2698278Solvent extraction
2760607Sash carrying window frame construction
2761498Self-storing storm window and screen
2815544Window frame construction
2934799Window assembly with removable sashes




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