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:
Sep. 19, 2000
Filed:
Oct. 17, 1997
Applicant:
Inventors:
Todd L Lydic, Johnstown, PA (US);
Tamo Bianchi, Oakville, CA;
Assignee:
Johnstown America Corporation, Johnstown, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
298972 ; 105416 ; 72181 ;
Abstract
A center sill for a railroad car formed by cold rolling a flat sheet of steel into a rectangular configuration. One of the embodiments includes strengthening flanges and another includes ribs. The center sill may be formed of a single cold formed section or a pair of cold formed sections joined by a single longitudinal weld seam.
Lydic, Todd. (2000). Method of cold forming center sill for a railcar (U.S. Patent No. 6119345). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6119345
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile