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:
Jan. 30, 1996
Filed:
Feb. 10, 1994
Applicant:
Inventors:
Robert Landgren, Cody, WY (US);
William F Perenchio, Northfield, IL (US);
Assignee:
Kalman Floor Company, Inc., Evergreen, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73803 ; 73149 ; 73866 ;
Abstract
A method and apparatus is disclosed for measuring on-site expansive volumetric changes in hardened, shrinkage-compensated concrete samples. The sample is disposed in a cylindrical container having a strain gauge for measuring hoop stress which is correlated with expansion of the sample.