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:
May. 04, 1999
Filed:
Sep. 15, 1997
Applicant:
Inventors:
Falih H Ahmad, Clinton, MS (US);
James A Evans, Tallulah, LA (US);
Barry D Fehl, Vicksburg, MS (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73800 ; 25022714 ;
Abstract
Strain in concrete is sensed by a helical optical fiber embedded in the concrete and connected at one end to an external light source, and at the other end to a light detector, providing a signal output to an information processor, which provides a display of the strain in the concrete.