Vehicle brake lock for use while loading or unloading a boat from a trailer on an incline

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Description

FIG. 1 is a front elevational view of a vehicle brake lock for use while loading or unloading a boat from a trailer on an incline showing my new design, the tubular element being shown broken-away to indicate indeterminate length;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D312200 November 20, 1990 Bhagwat
2953036 September 1960 Wendt
2979172 April 1961 Eshbaugh et al.
3749212 July 1973 Black
4424723 January 10, 1984 Gockel
4436191 March 13, 1984 Perry
4438835 March 27, 1984 Dowden et al.
4627522 December 9, 1986 Ulrich et al.
Patent History
Patent number: D321312
Type: Grant
Filed: May 23, 1989
Date of Patent: Nov 5, 1991
Inventor: Bruce L. Williamson (Richmond, VA)
Primary Examiner: Brian N. Vinson
Attorney: Jerry T. Kearns
Application Number: 7/355,373
Classifications
Current U.S. Class: D/8339; Brake Element (D12/180); D/8331