Formwork for erecting concrete structures
United States Patent 3252199

Inventors:
Josef, Bossner
Publication Date:
05/24/1966
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Assignee:
Josef, Bossner
Primary Class:
425/65
Other Classes:
249/24, 249/20, 52/742.140, 425/DIG.126, 264/33, 264/32, 264/34, 182/128
International Classes:
E04B1/35; E04G11/22; E04G11/28; E04G11/00
US Patent References:
2506716Traveling mold
2979798Cylinder generating machine and method of generation
Foreign References:
AU1034127B
GB368704A