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:
Feb. 10, 2004
Filed:
Jul. 11, 2001
Applicant:
Inventors:
William R. Kennedy, Taylorville, IL (US);
John M. Kennedy, Taylorville, IL (US);
Assignee:
Jack Kennedy Metal Products, Inc., Taylorville, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21F 1/14 ; E21D 1/100 ;
U.S. Cl.
CPC ...
E21F 1/14 ; E21D 1/100 ;
Abstract
A portable wall section for incorporation in a mine stopping or for use as a mine permanent stopping or seal form, comprising vertically extensible panels secured in side-by-side relation, a stopping installed in a mine, a stopping system utilizing one or more of said sections, and methods of installing the stopping and form.