USD393475SExpiredUtility

Drive pin for a bit and chuck combination in a percussion drilling machine

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Assignee: INGERSOLL RAND COPriority: Jun 7, 1996Filed: Jun 7, 1996Granted: Apr 14, 1998
Est. expiryJun 7, 2016(expired)· nominal 20-yr term from priority
Inventors:William Jones
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PatentIndex Score
2
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a drive pin for a bit and chuck combination in a percussion drilling machine, as shown and described.

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