USD274125SExpiredUtility

Safety chain lock for a door or similar structure

72
Individually held — no corporate assignee on recordPriority: Jun 7, 1982Filed: Jun 7, 1982Granted: Jun 5, 1984
Est. expiryJun 7, 2002(expired)· nominal 20-yr term from priority
Inventors:Kenneth A. HardestyRobert Allen
72
PatentIndex Score
18
Cited by
6
References
1
Claims

Claims

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

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