Suspension spring

- Hendrickson USA, L.L.C.
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Description

FIG. 1 is a perspective view showing the top, front, and right side of a suspension spring having the inventive design;

FIG. 2 is a top view of the suspension spring shown in FIG. 1;

FIG. 3 is a front elevational view of the suspension spring shown in FIG. 1 and the back elevational view is identical to the front elevational view;

FIG. 4 is a right side elevational view of the suspension spring shown in FIG. 1 and the left side elevational view is identical to the right side elevational view; and,

FIG. 5 is a bottom view of the suspension spring shown in FIG. 1.

The broken lines showing on the flanges in FIGS. 1, 2, and 5 is included for the purpose of illustrating environment and forms no part of the claimed design.

Claims

The ornamental design for a suspension spring, as shown and described.

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Patent History
Patent number: D632230
Type: Grant
Filed: Sep 25, 2009
Date of Patent: Feb 8, 2011
Assignee: Hendrickson USA, L.L.C. (Itasca, IL)
Inventors: Shawn D. Noble (Naperville, IL), Christopher W. Forrest (Auburn, IN)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Michael A Pratt
Attorney: McDonnell Boehnen Hulbert & Berghoff, LLP
Application Number: 29/344,283
Classifications
Current U.S. Class: Axle Element (D12/160)