Direct fixation fastener
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Description
The broken lines shown in the drawings are included for the purpose of illustrating portions of the article that form no part of the claimed design.
Claims
The ornamental design for a direct fixation fastener, as shown and described.
Referenced Cited
U.S. Patent Documents
9657445 | May 23, 2017 | Awi Abalo |
20110068185 | March 24, 2011 | Bosterling |
20160002864 | January 7, 2016 | Awi Abalo |
Patent History
Patent number: D828397
Type: Grant
Filed: Jul 12, 2016
Date of Patent: Sep 11, 2018
Assignee: L.B. Foster Company (Pittsburgh, PA)
Inventors: Robert L. Alsop (Rossville, GA), Arka Prabha Roy (Pittsburgh, PA), Michael Patrick O'Connell (Atlanta, GA)
Primary Examiner: T Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/570,862
Type: Grant
Filed: Jul 12, 2016
Date of Patent: Sep 11, 2018
Assignee: L.B. Foster Company (Pittsburgh, PA)
Inventors: Robert L. Alsop (Rossville, GA), Arka Prabha Roy (Pittsburgh, PA), Michael Patrick O'Connell (Atlanta, GA)
Primary Examiner: T Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/570,862
Classifications
Current U.S. Class:
Element Or Attachment (D15/5)