Cylindrical pin wrench

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Description

FIG. 1 is a side elevational view of a cylindrical pin wrench showing my new design, the associated electric contact pin and elbow connector being shown in broken lines for illustrative purposes only;

FIG. 2 is a perspective view of the cylindrical pin wrench on an enlarged scale;

FIG. 3 is an end view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D254532 March 25, 1980 Kelley
1392728 October 1921 Westman et al.
4517864 May 21, 1985 Fratta
Patent History
Patent number: D285645
Type: Grant
Filed: Aug 22, 1983
Date of Patent: Sep 16, 1986
Inventor: Peter J. Fratta (Dunkirk, MD)
Primary Examiner: Susan J. Lucas
Attorney: E. Barron Batchelder
Application Number: 6/525,276
Classifications
Current U.S. Class: D 8/21