USD677292SActiveUtility

Debris collector for vertical drilling

57
Assignee: BARNES DEAN KEVINPriority: Dec 13, 2010Filed: Jun 10, 2011Granted: Mar 5, 2013
Est. expiryDec 13, 2030(~4.4 yrs left)· nominal 20-yr term from priority
Inventors:Dean Kevin Barnes
57
PatentIndex Score
18
Cited by
18
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a debris collector for vertical drilling, as shown.

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