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. 05, 1997
Filed:
Apr. 18, 1996
Applicant:
Inventors:
Stephen R Kuhn, Richton Park, IL (US);
Ronald Lee Lancaster, Manitou Springs, CO (US);
Ted A Rittenhouse, Frankton, IN (US);
Kenneth L Schultz, Orland Park, IL (US);
Keith Young, Naperville, IL (US);
Assignee:
ABC Rail Products Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
246470 ;
Abstract
A direct support type of rigid railbound railroad trackwork frog assembly is provided with a core frog casting, a pair of compliant, non-metallic spacer elements contacting laterally opposed sides of the core frog casting, a pair of wing rails respectively contacting the compliant, non-metallic spacer elements, and a threaded bolt and nut fastener joining the casting, spacer elements, and wing rails into a rigid unitary structure.