Extension for marking and detecting an underground utility
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Description
In the drawings, the broken line showing of a riser depicts environmental subject matter and forms no part of the claim.
Claims
The ornamental design for an extension for marking and detecting an underground utility, as shown and described.
Referenced Cited
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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
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
Classifications
Current U.S. Class:
D10/109