USD938799SActiveUtility

Door lock

84
Assignee: ZHONGSHAN SMARTEK SECURITY TECH CO LTDPriority: Apr 23, 2020Filed: Apr 23, 2020Granted: Dec 21, 2021
Est. expiryApr 23, 2040(~13.7 yrs left)· nominal 20-yr term from priority
Inventors:Chaoyi Wei
84
PatentIndex Score
25
Cited by
6
References
1
Claims

Claims

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

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