Railroad car coupler assembly knuckle pin
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The broken lines shown in the views depict environmental subject matter only and form no part of the claimed design.
Claims
The ornamental design for a railroad car coupler assembly knuckle pin, as shown and described.
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Type: Grant
Filed: Jun 20, 2018
Date of Patent: Sep 14, 2021
Assignee: STANDARD CAR TRUCK COMPANY (Rosemont, IL)
Inventor: Stephen Hankinson (Mars, PA)
Primary Examiner: Ania Aman
Application Number: 29/653,953