USD328905SExpiredUtility

Drill bit

62
Individually held — no corporate assignee on recordPriority: Jun 22, 1990Filed: Jun 22, 1990Granted: Aug 25, 1992
Est. expiryJun 22, 2010(expired)· nominal 20-yr term from priority
Inventors:Jack S. Triano
62
PatentIndex Score
19
Cited by
5
References
1
Claims

Claims

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

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