Title:
Buried reservoirs of pre-stressed concrete
United States Patent 2755630


Inventors:
Eugene, Freyssinet
Application Number:
US31089352A
Publication Date:
07/24/1956
Filing Date:
09/22/1952
Assignee:
Eugene, Freyssinet
Primary Class:
Other Classes:
52/19, 52/81.6, 52/126.1, 52/169.1, 52/169.6, 52/223.6, 52/293.1, 52/741.12, 109/1S, 264/32, 264/228, 405/55
International Classes:
E04H7/20
View Patent Images:
US Patent References:
2226201Jack apparatus1940-12-24
1301155N/A1919-04-22
0903909N/A1908-11-17
Foreign References:
GB416698A1934-09-19
FR977666A1951-04-04