USD511291SExpiredUtility

Doorknob

Assignee: MASTER LOCK COPriority: Apr 14, 2004Filed: Apr 14, 2004Granted: Nov 8, 2005
Est. expiryApr 14, 2024(expired)· nominal 20-yr term from priority
Inventors:Mark Van Handel
65
PatentIndex Score
11
Cited by
26
References
1
Claims

Claims

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

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