Reinforced spring hinge box
United States Patent 3233820
US Patent References:
/1119804.html
- - 1119804

Box
- - 1430029

Hinged box
- - 2605925

Corner hinge construction
- - 3100073


Inventors:
Roger, Williams Charles
Publication Date:
02/08/1966
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Assignee:
DOUGLAS YOUNG INC
Primary Class:
229/125
Other Classes:
229/198.100, 220/829, 220/845, 229/125.020, 229/125.110
International Classes:
E05D5/04; E05D5/00