Title:
Tubular structure
United States Patent 3349538
Inventors:
Virginia, Crossman A.
Publication Date:
10/31/1967
Export Citation:
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Assignee:
Virginia, Crossman A.
Primary Class:
52/653.2
Other Classes:
52/301, 256/59
International Classes:
E04B1/58; E04B2/76; E04C3/06; E04C3/28; E06B3/96; E04C3/04; E04B1/58; E04B2/76; E04C3/02; E04C3/04; E06B3/96
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US Patent References:
3305221Guardrail construction
3256659Partition-forming assemblies and components thereof
3222841Screen enclosure
3216170Extruded metal support frame
3170201Demountable sectional post
3143165Metal frame structure and preformed structural units comprising the same
0950806N/A