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:
Feb. 14, 2012
Filed:
Sep. 12, 2007
Applicants:
W. Thomas Urmson, Jr., Valencia, PA (US);
John W. Mospan, Pittsburgh, PA (US);
James A. Remington, Sheffield Village, OH (US);
Inventors:
W. Thomas Urmson, Jr., Valencia, PA (US);
John W. Mospan, Pittsburgh, PA (US);
James A. Remington, Sheffield Village, OH (US);
Assignee:
Koppers Delaware, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lap joint assembly that includes two spaced apart mating railroad end sections that are double bent and machine tapered and trimmed to conform in spatial alignment with one another, an electrical insulating material positioned between the two machined mating rail sections and at least one fastener attaching the machined railroad rail sections to one another.