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:
Jun. 22, 1982
Filed:
Jun. 26, 1980
Applicant:
Inventor:
Dennis Marsden, Lake Stevens, WA (US);
Assignee:
Pullman Incorporated, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D / ;
U.S. Cl.
CPC ...
414387 ;
Abstract
A trackside door closing arrangement for closing the swinging doors of a railway hopper car. This arrangement is self centering and shifts to counteract the cars lateral sway as it passes through the mechanism or shifts to accommodate cars that have parallelogramed during service.