Title:
Combination window sash lock and lift
United States Patent 3083419
US Patent References:
/1075028.html
- - 1075028

Vindow lock
- - 1424107

Sash fastener
- - 1617813

Spring door lock
- - 2162031

Device for preventing the unintentional shutting of doors
- - 2249294


Inventors:
Pennington, Richard E.
Pennington, Gerald L.
Publication Date:
04/02/1963
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Assignee:
Pennington, Richard E.
Pennington, Gerald L.
Primary Class:
49/450
Other Classes:
160/90, 292/DIG.020, 49/63, 292/61, 49/453
International Classes:
E06B3/44; E06B3/32
US Patent References:
2728117Prefabricated window structure
2818610Storm windows
2965935Combination window
Foreign References:
GB189900458A