USD307279SExpiredUtility

Cutting tooth for a rotating drag bit

Assignee: EASTMAN CHRISTENSEN COPriority: Oct 16, 1986Filed: Oct 16, 1986Granted: Apr 17, 1990
Est. expiryOct 16, 2006(expired)· nominal 20-yr term from priority
Inventors:Lloyd Vincent
74
PatentIndex Score
18
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a cutting tooth for a rotating drag bit, as shown and described.

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