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:
Sep. 20, 2016
Filed:
Apr. 14, 2015
Applicant:
Jack Kennedy Metal Products & Buildings, Inc., Taylorville, IL (US);
Inventors:
William R. Kennedy, Taylorville, IL (US);
John M. Kennedy, Taylorville, IL (US);
Assignee:
Jack Kennedy Metal Products & Buildings, Inc., Taylorville, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04F 11/16 (2006.01); E21F 1/14 (2006.01); E21F 1/16 (2006.01); E21F 1/04 (2006.01);
U.S. Cl.
CPC ...
E21F 1/14 (2013.01); E21F 1/04 (2013.01); E21F 1/16 (2013.01);
Abstract
A mine ventilation structure is disclosed. The structure comprises a deck including a plurality of elongate sheet metal panels. Each panel is generally of inverted channel shape in transverse cross-section, having a top web and first and second sides extending down from the top web. The panels are connected by tongue-and-groove connections between adjacent sides of adjacent panels. A mine ventilation deck panel of desired construction is also disclosed.