Pre-cast sectional concrete septic tank
United States Patent 3106044

Inventors:
Tullio, Alfred DI.
Tullio, Elio DI. S.
Tullio, Patsy DI. A.
Publication Date:
10/08/1963
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Assignee:
Tullio, Alfred DI.
Tullio, Elio DI. S.
Tullio, Patsy DI. A.
Primary Class:
52/20
Other Classes:
52/264, 52/781.500, 52/251, 210/532.200
International Classes:
C02F3/28; E04H7/18; E04H7/00
US Patent References:
2645115Composite structural member and in the manufacture thereof
2950576Shock absorbing connections for building constructions
Foreign References:
GB436584A
IT354599B
BE506650A
GB686729A