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:
Aug. 28, 2007
Filed:
Nov. 07, 2005
Applicants:
William T. Urmson, Jr., Valencia, PA (US);
John W. Mospan, Pittsburgh, PA (US);
John M. Downey, Ashland, KY (US);
Inventors:
William T. Urmson, Jr., Valencia, PA (US);
John W. Mospan, Pittsburgh, PA (US);
John M. Downey, Ashland, KY (US);
Assignee:
Portec Rail Products, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrically-insulated tie plate for electrically isolating parts of a railroad rail system from each other. The electrically-insulated tie plate includes a base plate having a recessed area for receiving a railroad rail and a layer of electrically-insulating material covering portions of the base plate.