Ratchet head extension apparatus

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Description

FIG. 1 is a top perspective view of a ratchet head extension apparatus showing my new design;

FIG. 2 is a top view of the ratchet head extension apparatus and which is a mirror image of a bottom view of the same; and,

FIG. 3 is a side elevated view of the ratchet head extension apparatus.

The broken lines shown in FIG. 3 are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a ratchet head extension apparatus, as shown and described.

Referenced Cited
U.S. Patent Documents
2691316 October 1954 Brame
4279314 July 21, 1981 Taub
D268805 May 3, 1983 Kowalewicz
4506567 March 26, 1985 Makhlouf
4688454 August 25, 1987 Scull
5107729 April 28, 1992 Makhlouf
D332039 December 29, 1992 Bothwell
5339710 August 23, 1994 Deadmond et al.
5544553 August 13, 1996 Galat
6799492 October 5, 2004 Pearson
7062992 June 20, 2006 Spirer
7168345 January 30, 2007 Hsieh
7278338 October 9, 2007 Chen
20060288821 December 28, 2006 Girard
Patent History
Patent number: D577270
Type: Grant
Filed: Mar 11, 2008
Date of Patent: Sep 23, 2008
Inventor: Danny T. Roose (Howell, MI)
Primary Examiner: Raphael Barkai
Assistant Examiner: Randall H Gholson
Application Number: 29/304,990
Classifications
Current U.S. Class: D8/25