Coil spring

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Description

The coil spring is used in furniture, such as beds, mattresses and sofas.

FIG. 1 is a front view of the coil spring showing my design.

FIG. 2 is a side view thereof;

FIG. 3 is a perspective view thereof; and,

FIG. 4 is a top view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D28896 June 1898 Comstock
1254314 January 1918 D'Arcy
D109730 May 1938 Powers
20020152554 October 24, 2002 Spinks et al.
Patent History
Patent number: D579242
Type: Grant
Filed: Jul 10, 2007
Date of Patent: Oct 28, 2008
Assignee: Sipahioglu Celik Yay Ve Yan Urunleri Sanayi ve Ticaret Limited Sirketi (Istanbul)
Inventor: Ersen Kiliç (Istanbul)
Primary Examiner: Janice E Seeger
Attorney: Egbert Law Offices
Application Number: 29/282,050
Classifications
Current U.S. Class: D6/504