USD1087347SActiveUtility

Oxygen concentrator

30
Assignee: ZHANG QINGZHONGPriority: Sep 3, 2024Filed: Sep 3, 2024Granted: Aug 5, 2025
Est. expirySep 3, 2044(~18.1 yrs left)· nominal 20-yr term from priority
Inventors:Qingzhong Zhang
30
PatentIndex Score
0
Cited by
20
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an oxygen concentrator, as shown and described.

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