Direct fixation fastener

- L. B. Foster Company
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top perspective view of the direct fixation fastener of the present design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a left elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Claims

The ornamental design for a direct fixation fastener, as shown and described.

Referenced Cited
U.S. Patent Documents
4047663 September 13, 1977 Reynolds
4060197 November 29, 1977 Qureshi
4312477 January 26, 1982 Hixson
4316578 February 23, 1982 Reynolds
4561589 December 31, 1985 Hixson
4572431 February 25, 1986 Arato
4615484 October 7, 1986 Kusko
7374109 May 20, 2008 Ellerhorst
9004372 April 14, 2015 Alsop
D776004 January 10, 2017 Pisano
9702091 July 11, 2017 Coats
D794506 August 15, 2017 Young
D804352 December 5, 2017 Young
D804991 December 12, 2017 Young
D828397 September 11, 2018 Alsop
10428468 October 1, 2019 Constantine
10619311 April 14, 2020 Becker
20050045059 March 3, 2005 Osler
20080121731 May 29, 2008 Ollendick
20080121732 May 29, 2008 Yang
20090184172 July 23, 2009 Osler
20100224690 September 9, 2010 Igwenezie
20110068185 March 24, 2011 Bosterling
20150060561 March 5, 2015 Ciloglu
20160002864 January 7, 2016 Awi Abalo
20180016754 January 18, 2018 Alsop
20180023257 January 25, 2018 Constantine
Other references
  • Pandrol, Pandrol Bonded DFF ADH baseplate assembly, (Jan. 23, 2019), Video on Vimeo.com URL:<https://vimeo.com/312984327> (Year: 2019).
  • Pandrol, Pandrol Bonded DFF ADH , (site visited May 1, 2020), Pandrol.com URL:<https://www.pandrol.com/product/bonded-dff-adh/> (Year: 2020).
Patent History
Patent number: D897896
Type: Grant
Filed: Feb 28, 2019
Date of Patent: Oct 6, 2020
Assignee: L. B. Foster Company (Pittsburgh, PA)
Inventor: Sheenfar S. Fong (Pittsburgh, PA)
Primary Examiner: Sheryl Lane
Assistant Examiner: Mark T Philipps
Application Number: 29/681,909
Classifications
Current U.S. Class: Tie Plate Or Clamp (D12/51)