Coil spring

Information

FIG. 1 is a perspective view of a coil spring, showing our new design;

FIG. 2 is an enlarged fragmentary view, showing the top portion of the coil spring;

FIG. 3 is an enlarged fragmentary view, showing the middle portion of the coil spring; and,

FIG. 4 is an enlarged fragmentary view, showing the bottom portion of the coil spring.

Number	Name	Date	Kind
1963053	Powers	Jun 1934	A
D109730	Powers	May 1938	S
7178187	Barman et al.	Feb 2007	B2
7404223	Manuszak et al.	Jul 2008	B2
20060042016	Barman et al.	Mar 2006	A1