Cam tightening tool for tire chains

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Description

FIG. 1 is an isometric view of the cam tightening tool.

FIG. 2 is a front elevation view of the invention.

FIG. 3 is a side elevation view of the invention.

FIG. 4 is a top plan view of the invention; and,

FIG. 5 is a bottom plan view of the invention.

Claims

The ornamental design for a cam tightening tool for tire chains, as shown and described.

Referenced Cited
U.S. Patent Documents
1534284 April 1925 Pelletier
3888290 June 1975 Hess et al.
4306602 December 22, 1981 Nestlen
5048376 September 17, 1991 Faanes
6263554 July 24, 2001 Lyne, Jr.
6681657 January 27, 2004 Lyne, Jr.
7007572 March 7, 2006 Woodworth
7165477 January 23, 2007 Lyne, Jr.
Patent History
Patent number: D573424
Type: Grant
Filed: Aug 20, 2007
Date of Patent: Jul 22, 2008
Inventor: William Paul Mitchell (Salmon Creek, WA)
Primary Examiner: Philip S Hyder
Attorney: Jason Aldred
Application Number: 29/291,236
Classifications
Current U.S. Class: D8/14