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. 31, 2019
Filed:
Aug. 29, 2017
Applicant:
L. B. Foster Company, Pittsburgh, PA (US);
Inventors:
Korhan Ciloglu, Pittsburgh, PA (US);
William Mohr, Columbus, OH (US);
David Workman, Columbus, OH (US);
Assignee:
L.B. Foster Company, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E01B 11/56 (2006.01); E01B 11/44 (2006.01);
U.S. Cl.
CPC ...
E01B 11/56 (2013.01); E01B 11/44 (2013.01);
Abstract
A railroad rail comprising a rail head, wherein the rail head is made from a first material and defines a void, and an insert comprising a second material installed in the void.