USD284639SExpiredUtility

Door lock

64
Assignee: RYOBI LTDPriority: Feb 17, 1983Filed: Aug 1, 1983Granted: Jul 15, 1986
Est. expiryFeb 17, 2003(expired)· nominal 20-yr term from priority
Inventors:Yoshihiko MatsuoTakeshi Shohoji
64
PatentIndex Score
8
Cited by
6
References
1
Claims

Claims

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

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