Direct fixation fastener

- L.B. Foster Company
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FIG. 1 is a top front perspective view of the direct fixation fastener of the present design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a left elevational view thereof.

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.


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
Current U.S. Class: Element Or Attachment (D15/5)