USD457416SExpiredUtility

Turn knob

54
Assignee: LOCKWOOD SECURITY PRODUCTS PTYPriority: May 1, 2001Filed: Sep 24, 2001Granted: May 21, 2002
Est. expiryMay 1, 2021(expired)· nominal 20-yr term from priority
Inventors:Craig A. Caspersz
54
PatentIndex Score
11
Cited by
4
References
1
Claims

Claims

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

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