The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 1977
Filed:
Jan. 15, 1973
Applicant:
Inventors:
Viktor Vasilievich Mikhailov, Moscow, SU;
Semen Lvovich Litver, Moscow, SU;
Alexandr Konstantinovich Karasev, Moscow, SU;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ; B28B / ;
U.S. Cl.
CPC ...
264228 ; 264333 ; 264347 ; 264D / ; 264D / ;
Abstract
A method of making stressed concrete articles made from a cement containing as an additive to portland cement a mixture of alumina cement, calcium sulfate and ground caustic lime, the method including hydrothermal treatment at 50.degree. C or above followed by curing in cold water for several days.