USD502503SExpiredUtility
Three colors ball point pen
Est. expiryMar 28, 2023(expired)· nominal 20-yr term from priority
Inventors:Shigeru Kimura
69
PatentIndex Score
15
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a three colors ball point pen, as shown and described.
Join the waitlist — get patent alerts
Track USD502503S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.