USD570663SExpiredUtility

Hard tile drill bit

43
Assignee: C4 CARBIDES LTDPriority: Jun 2, 2006Filed: Jun 13, 2006Granted: Jun 10, 2008
Est. expiryJun 2, 2026(expired)· nominal 20-yr term from priority
Inventors:Paul Duggan
43
PatentIndex Score
7
Cited by
30
References
1
Claims

Claims

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

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