USD409067SExpiredUtility
Drill chuck
Est. expiryJan 19, 2018(expired)· nominal 20-yr term from priority
Inventors:Akira Sakamaki
60
PatentIndex Score
10
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a drill chuck, as shown and described.
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