USD511958SExpiredUtility

Chain door lock

48
Assignee: MASTROGIOVANNI MARCOPriority: Aug 30, 2004Filed: Aug 30, 2004Granted: Nov 29, 2005
Est. expiryAug 30, 2024(expired)· nominal 20-yr term from priority
Inventors:Marco Mastrogiovanni
48
PatentIndex Score
9
Cited by
10
References
1
Claims

Claims

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

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