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:
Mar. 09, 1999
Filed:
Sep. 04, 1996
Applicant:
Inventors:
Frank Lazzaro, Verona, PA (US);
Peter Scott Mautino, Verona, PA (US);
Jeffrey D Wurzer, Glenshaw, PA (US);
MaryAnn Glover, Pittsburgh, PA (US);
Alvin G Hurt, Pittsburgh, PA (US);
Assignee:
McConway & Torley Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B31G / ;
U.S. Cl.
CPC ...
213139 ; 213 / ; 213145 ;
Abstract
A lock member for a Type E railway freight car coupler formed of an as-cast and austempered ductile iron casting, having a slightly over-sized head portion, the as-cast and austempered ductile iron casting having a minimum tensile strength of about 140 ksi, a minimum yield strength of about 110 ksi, a minimum elongation in 2 inches of about 4%, and a BHN of about 321-388.