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. 12, 1986
Filed:
Sep. 22, 1983
Applicant:
Inventor:
Russell G Altherr, Munster, IN (US);
Assignee:
Amsted Industries Incorporated, Chicago, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61G / ;
U.S. Cl.
CPC ...
213155 ; 213109 ;
Abstract
A coupler knuckle made from cast metal and having cored sections providing exterior walls adjacent the location subject to stress in use. These wall sections are formed in such a manner as to withstand the stresses.