Anti-rail rollover device
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The broken line showings of
Claims
The ornamental design for an anti-rail rollover device, as shown and described.
1783841 | December 1930 | Habicht |
4060197 | November 29, 1977 | Qureshi |
5096118 | March 17, 1992 | Matlock |
6269752 | August 7, 2001 | Taillon |
D722531 | February 17, 2015 | Pier |
9103074 | August 11, 2015 | Urmson, Jr. |
D756844 | May 24, 2016 | Almes et al. |
20040155117 | August 12, 2004 | Urmson, Jr. |
20060118649 | June 8, 2006 | Urmson, Jr. |
20170320404 | November 9, 2017 | Steininger |
20180257677 | September 13, 2018 | Coseglia |
- Author unknown, Portec Safety Products company brochure, exact date unknown, prior to at least May 16, 2016, US.
- Author unknown, Portec Railway Products company brochure, exact date unknown, prior to at least May 16, 2016, Railway Products Division, Oak Brook, IL, US.
- Author unknown, “Fasteners help buffer bridge against track loads”, Railway Track & Structures, Apr. 1983, CN Bridge.
Type: Grant
Filed: May 16, 2017
Date of Patent: Jun 2, 2020
Assignee: Koppers Delaware, Inc. (Wilmington, DE)
Inventors: Steven D. Singleton (Sarver, PA), Donald A. Bielski (Youngstown, OH), Ronald K. Junk (Cabot, PA), John W. Mospan (Pittsburgh, PA)
Primary Examiner: Ania Aman
Application Number: 29/604,230