Extension for marking and detecting an underground utility

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FIG. 1 is a top, side, and front perspective view of the extension for marking and detecting an underground utility, the view being broken away to show that the extension may be of any length.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a front view thereof.

FIG. 5 is a left side view thereof, the right side view being a mirror image thereof.

FIG. 6 is a rear view thereof; and,

FIG. 7 is an alternate top, side, and front perspective view thereof.

In the drawings, the broken line showing of a riser depicts environmental subject matter and forms no part of the claim.


The ornamental design for an extension for marking and detecting an underground utility, as shown and described.

Referenced Cited
U.S. Patent Documents
3091997 June 1963 Byrd
3913518 October 1975 Kaplan
4779955 October 25, 1988 Schmanski
D387438 December 9, 1997 Mudryk et al.
5879103 March 9, 1999 Baillie
6095081 August 1, 2000 Gochenour
6182600 February 6, 2001 Brown et al.
D445054 July 17, 2001 Despino et al.
6286450 September 11, 2001 Murrin et al.
6321679 November 27, 2001 Murrin et al.
D456294 April 30, 2002 McDonald et al.
6823814 November 30, 2004 Bukky
20050036833 February 17, 2005 Hotchkin
20090039328 February 12, 2009 Davidson
20100077954 April 1, 2010 Eigel
Patent History
Patent number: D637933
Type: Grant
Filed: Aug 28, 2009
Date of Patent: May 17, 2011
Assignee: Infinity Times Infinity, LLC (Holladay, UT)
Inventor: Martin W. Macey (Draper, UT)
Primary Examiner: Caron Veynar
Assistant Examiner: George D Kirschbaum
Attorney: Kirton & McConkie
Application Number: 29/342,683
Current U.S. Class: D10/109