USD637933SActiveUtility

Extension for marking and detecting an underground utility

30
Assignee: INFINITY TIMES INFINITY LLCPriority: Aug 28, 2009Filed: Aug 28, 2009Granted: May 17, 2011
Est. expiryAug 28, 2029(~3.1 yrs left)· nominal 20-yr term from priority
Inventors:Martin W. Macey
30
PatentIndex Score
3
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an extension for marking and detecting an underground utility, as shown and described.

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