Title:
Window structures
United States Patent 2740998
US Patent References:
/0029631.html
- - 0029631

/0556759.html
- - 0556759

/0570665.html
- - 0570665

/0628104.html
- - 0628104

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- - 0676159


Inventors:
Abe, Zitomer
Publication Date:
04/10/1956
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Assignee:
ALUMATIC CORP OF AMERICA
Primary Class:
49/453
International Classes:
E06B3/26; E06B3/50; E06B3/04; E06B3/32
US Patent References:
1413377Window construction
2141348Replaceable sash and frame for same
2169343Window construction
2181763Window construction
2242541Window construction
2291726Combination sash construction
2329485Supplemental metallic window unit
2402112Combined storm and screen window installation
2430615Storm window
2430772Removable sash construction
2467511Storm sash and screen assembly
2589161Window frame and sash assembly
2595016Storm window
2618326Window assembly
2634466Self-storing combination storm window