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:
Oct. 20, 1998
Filed:
Oct. 29, 1997
Applicant:
Inventors:
John C Stankus, Canonsburg, PA (US);
Song Guo, Morgantown, WV (US);
Assignee:
Jennmar Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01B / ; G01M / ;
U.S. Cl.
CPC ...
73786 ; 73760 ; 405133 ;
Abstract
Stresses in an underground mine are determined by analyzing mechanical properties of mine site stratum including Young's modulus. The mechanical properties are combined with the physical layout of the mine. From the application of the mechanical properties, stresses in the mine are determined.