USD259855SExpiredUtility

Drill chuck

58
Assignee: THE JACOBS MFG CO LTDPriority: May 26, 1978Filed: Aug 17, 1978Granted: Jul 14, 1981
Est. expiryMay 26, 1998(expired)· nominal 20-yr term from priority
Inventors:George C. Derbyshire
58
PatentIndex Score
7
Cited by
2
References
1
Claims

Claims

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

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