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. 25, 2011
Filed:
Nov. 25, 2008
Applicants:
Chinniah Thiagarajan, Karnataka, IN;
Praveen Bhat, Karnataka, IN;
Inventors:
Chinniah Thiagarajan, Karnataka, IN;
Praveen Bhat, Karnataka, IN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 (2006.01); B32B 3/22 (2006.01); D01D 5/24 (2006.01); E04C 2/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment, a multiwall sheet comprises a first sheet comprising an inner surface and an outer surface, a second sheet comprising a first surface and a second surface; and a rib disposed between the inner surface and the first surface. The outer layer can have surface features and has a surface area of greater than or equal to 140% of a planar, flat, non-profiled surface area for a same unit area.