USD270843SExpiredUtility
Liquid ink ball pen
Est. expiryOct 16, 2001(expired)· nominal 20-yr term from priority
Inventors:Kunio Itoh
95
PatentIndex Score
38
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a liquid ink ball pen, substantially as shown and described.
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