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:
Jul. 15, 1980
Filed:
Feb. 02, 1978
Applicant:
Inventors:
James D Hart, Grove City, PA (US);
Joseph C Lightner, Greenville, PA (US);
Assignee:
Greenville Steel Car Co., Greenville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61D / ; B61D / ;
U.S. Cl.
CPC ...
1054 / ;
Abstract
A gondola-type railway car has a bottom which comprises at least one and preferably at least two transversely parabolic surfaces which extend below the side sills of the car, giving increased capacity, a lower center of gravity, and increased resistance to bottom damage.