Prefabricated reinforced beam
United States Patent 2618148
US Patent References:
/0786820.html
- - 0786820

/1158197.html
- - 1158197

/1197363.html
- - 1197363

/1243000.html
- - 1243000

Metal section
- - 1762112


Inventors:
Reed, Robert S.
Publication Date:
11/18/1952
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Assignee:
George, Zerfas H.
Primary Class:
52/223.900
Other Classes:
52/689, 52/649.800, 52/601, 52/477, 52/690
International Classes:
E04C3/293; E04C3/29
US Patent References:
2075633Reenforced ceramic building construction and method of assembly
2101538Floor construction
Foreign References:
NO7727A