USD552174SExpiredUtility
Pen
Est. expiryApr 5, 2026(expired)· nominal 20-yr term from priority
Inventors:Kuang-Hsia Tien
50
PatentIndex Score
7
Cited by
17
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a pen, thereof as shown and described.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.