USD1089541SActiveUtility

Non-return valve

36
Assignee: ZHANG YUJUNPriority: Mar 16, 2022Filed: Mar 16, 2022Granted: Aug 19, 2025
Est. expiryMar 16, 2042(~15.7 yrs left)· nominal 20-yr term from priority
Inventors:Yujun Zhang
36
PatentIndex Score
0
Cited by
7
References
1
Claims

Claims

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

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