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:
May. 12, 1981
Filed:
Aug. 30, 1979
Applicant:
Inventor:
Douglas A Puariea, St. Paul, MN (US);
Assignee:
The Maxson Corporation, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61D / ;
U.S. Cl.
CPC ...
105276 ; 105272 ; 298 176 ; 298 / ;
Abstract
A door linkage for a side dump railroad car operable to automatically lower the door on the low side of the car when the car body is tilted to dump its contents thereof.
Puariea, Douglas. (1981). Rail car door linkage (U.S. Patent No. 4266486). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4266486
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile