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:
Dec. 28, 2010
Filed:
Nov. 25, 2008
Applicant:
Michael Gillis, Portland, OR (US);
Inventor:
Michael Gillis, Portland, OR (US);
Assignee:
Gunderson LLC, Portland, OR (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A center sill for inclusion in a center sill assembly of a railroad freight car. The center sill includes a first main structural member of metal plate bent to a three-sided shape including a bottom cover and a pair of side web portions, and a top cover plate fastened to the side web portions to form a box beam structure. Horizontal filler plates that may be of thicker material are fastened to the bottom cover portion at the ends. Stub sills may be attached to the ends of the center sill to form a center sill assembly for a freight car such as a hopper car.