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:
Nov. 26, 2019
Filed:
Jan. 23, 2018
Applicant:
United States Gypsum Company, Chicago, IL (US);
Inventor:
Michael J. Hough, Beach Park, IL (US);
Assignee:
UNITED STATES GYPSUM COMPANY, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 (2006.01); E04C 2/04 (2006.01); E04C 2/30 (2006.01); E04C 2/06 (2006.01); B32B 18/00 (2006.01); B28B 19/00 (2006.01); C04B 28/14 (2006.01); E04C 2/00 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
B32B 3/02 (2013.01); B28B 19/0092 (2013.01); B32B 18/00 (2013.01); C04B 28/14 (2013.01); E04C 2/043 (2013.01); E04C 2/06 (2013.01); E04C 2/30 (2013.01); B32B 2419/06 (2013.01); C04B 2111/00586 (2013.01); E04C 2002/004 (2013.01); Y10T 428/24777 (2015.01);
Abstract
A gypsum fiber roofing panel with an angled edge for accommodating environmentally-induced expansion is provided, including a homogeneous body formed from a slurry of gypsum and reinforcing fibers having a face panel, a back panel, and a plurality of side edges, each side edge having an angle relative to a plane defined by the adjacent face panel in the range of 81-87° for accommodating environmentally-induced expansion relative to adjacent panels upon installation on a roof.