Spring brake

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Description

FIG. 1 is a front elevational view of a spring brake showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
354014 December 1886 Easton
1895456 January 1933 Farmer
3170586 February 1965 Bulgrin
4828337 May 9, 1989 Wagner et al.
5031970 July 16, 1991 Vogel
5044702 September 3, 1991 Beck et al.
5297471 March 29, 1994 Boehm et al.
5848827 December 15, 1998 Levrai
5881627 March 16, 1999 Simon Bacardit
D454818 March 26, 2002 MacGregor
6405636 June 18, 2002 Anderson
D533768 December 19, 2006 Hsiung
Patent History
Patent number: D604680
Type: Grant
Filed: Nov 13, 2007
Date of Patent: Nov 24, 2009
Assignee: Metro Bearing & Automotive Limited (N.T.)
Inventor: Lai Yee Chow (N. T.)
Primary Examiner: Robert M Spear
Assistant Examiner: Cynthia Underwood
Application Number: 29/297,555
Classifications
Current U.S. Class: Brake Element (D12/180)