Title:
Collapsible structure
Document Type and Number:
United States Patent 2254939
Inventors:
Thias, Elias
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Publication Date:
09/02/1941
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Referenced by:
Export Citation:
Assignee:
Thias, Elias
Primary Class:
Other Classes:
182/179.100, 5/114, 5/99.100
International Classes:
A47D9/00