Muhammad M Raheel

US Patent:

8359812, Jan 29, 2013

Filed:

Dec 29, 2006

Appl. No.:

11/617776

Inventors:

Muhammad M. Raheel - Mundelein IL, US
Paul LaLonde - Highland Park IL, US

Assignee:

USG Interiors, LLC - Chicago IL

International Classification:

E04C 3/04
B21D 47/00

US Classification:

52842, 2989735

Abstract:

A grid tee and method of making the same comprising an elongated sheet metal strip folded on itself to integrally form a lower double wall flange, a hollow upper reinforcing bulb, and a web extending upwardly between the flange and bulb, the flange generally lying in a horizontal plane, having opposed spaced parallel edges extending longitudinally, and being perpendicular to the web, the web lying in a generally vertical plane, the strip having two longitudinal extending marginal edge zones, said marginal edge zones being generally vertically disposed and fixed at least at longitudinally spaced locations to a central area of the strip that forms a portion of the web and forming a double web layer area, the marginal edge zones of the strip being vertically spaced from one another such that a portion of the central area of the strip that forms a part of the web is a single exclusive layer.

US Patent:

20100257807, Oct 14, 2010

Filed:

Apr 9, 2009

Appl. No.:

12/420902

Inventors:

Muhammad Raheel - Mundelein IL, US
Peder Gulbrandsen - Aurora IL, US
James J. Lehane - McHenry IL, US

Assignee:

USG INTERIORS, INC. - Chicago IL

International Classification:

E04B 9/22

US Classification:

5250607

Abstract:

A short span flat drywall ceiling construction comprising a pair of spaced parallel wall angles facing one another, the wall angles each having a vertical leg secured to vertical support surfaces and a horizontal leg cantilevered from its respective vertical leg towards the other wall angle, a plurality of substantially identical roll-formed sheet metal tees extending between the wall angles and vertically supported thereby, each tee having a main body formed of a single strip of sheet steel, the tee having a horizontal single layer lower flange, a vertical double layer central web disposed above the flange, and a bulb at the top of the web centered on a plane of symmetry, a sheet metal U-shaped reinforcement channel fitted on a central part of the length of the tee such that it is in contact with at least the sidewalls of the bulb.

US Patent:

D577835, Sep 30, 2008

Filed:

Dec 29, 2006

Appl. No.:

29/275538

Inventors:

Muhammad M. Raheel - Mundelein IL, US
Paul LaLonde - Highland Park IL, US

Assignee:

USG Interiors, Inc. - Chicago IL

International Classification:

2501

US Classification:

D25138, D25164