ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,488, issued on March 24, was assigned to A. Stucki Co. (Moon Township, Pa.).
"Opening stop device for railway freight car door outlet gates" was invented by Neil Aaron Brant (Oakdale, Pa.), James Scott Kennedy (Zelienople, Pa.) and Joseph Jeffrey Dawson (McDonald, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a hopper car gate assembly including a frame configured for attachment to a hopper car body. The frame defines an opening and includes a beam, wherein the beam has a slot formed therein. A stop plate is removably attached to the beam to selectively obstruct the slot. The assembly has a door supported by the frame. A stop bloc...