USD1031471SActiveUtility

PH detection pen

31
Assignee: SHENZHEN YIERYI TECH CO LTDPriority: Aug 16, 2022Filed: Aug 16, 2022Granted: Jun 18, 2024
Est. expiryAug 16, 2042(~16 yrs left)· nominal 20-yr term from priority
Inventors:Xianxia Feng
31
PatentIndex Score
1
Cited by
8
References
1
Claims

Claims

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

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