USD426840SExpiredUtility

Drill chuck

Assignee: YUKIWA SEIKO KKPriority: Jul 21, 1999Filed: Jul 21, 1999Granted: Jun 20, 2000
Est. expiryJul 21, 2019(expired)· nominal 20-yr term from priority
Inventors:Akira Sakamaki
75
PatentIndex Score
18
Cited by
2
References
1
Claims

Claims

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

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