USD540384SExpiredUtility
Pen
Est. expiryMar 9, 2025(expired)· nominal 20-yr term from priority
Inventors:Zhiming Qiu
86
PatentIndex Score
33
Cited by
30
References
1
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Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a pen, as shown and described.Cited by (0)
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