USD567268SExpiredUtility
Drill chuck
Est. expiryMay 24, 2026(expired)· nominal 20-yr term from priority
Inventors:Hans-Dieter Mack
66
PatentIndex Score
14
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a drill chuck, as shown.Join the waitlist — get patent alerts
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