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:
Mar. 11, 2014
Filed:
Dec. 27, 2012
Applicant:
Usg Interiors, Llc, Chicago, IL (US);
Inventors:
James J. Lehane, Jr., McHenry, IL (US);
Peder J. Gulbrandsen, Aurora, IL (US);
John L. Hammond, Fairview Park, OH (US);
Abraham M. Underkofler, Waukegan, IL (US);
Mark R. Paulsen, Beach Park, IL (US);
Assignee:
USG Interiors, LLC, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A roll-formed grid runner comprising a sheet metal strip folded into an upper hollow single wall reinforcing bulb, a double wall web below the bulb, a channel extending laterally from both sides of a lower end of the web to a bend and upwardly from the bend to a panel supporting elevation, the bend on each side of the web existing at a longitudinally extending score line where a thickness of the strip is locally reduced.