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Conical cutting element

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Assignee: CHARLES MACHINE WORKSPriority: Oct 11, 2010Filed: Oct 11, 2010Granted: Jun 21, 2011
Est. expiryOct 11, 2030(~4.2 yrs left)· nominal 20-yr term from priority
Inventors:Vernon T. StellmanL. Shane IngramMichael C. Walgren
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PatentIndex Score
10
Cited by
16
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a conical cutting element, as shown and described.

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