USD472443SExpiredUtility

Keyless drill chuck

70
Assignee: TECHTRONIC IND CO LTDPriority: Nov 5, 2001Filed: Nov 5, 2001Granted: Apr 1, 2003
Est. expiryNov 5, 2021(expired)· nominal 20-yr term from priority
Inventors:Daniel Alex ChunnMeily Siu Mei ChanFelix Leung
70
PatentIndex Score
17
Cited by
12
References
1
Claims

Claims

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

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