USD374019SExpiredUtility

Downhold cutter blade

44
Individually held — no corporate assignee on recordPriority: Jun 16, 1994Filed: Jun 16, 1994Granted: Sep 24, 1996
Est. expiryJun 16, 2014(expired)· nominal 20-yr term from priority
Inventors:Charles D. Hailey
44
PatentIndex Score
4
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a downhole cutter blade, as shown and described.

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