USD669129SActiveUtility
Pen cap
Est. expiryJan 29, 2031(~4.5 yrs left)· nominal 20-yr term from priority
Inventors:Wenyan Liang
52
PatentIndex Score
7
Cited by
18
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a pen cap, as shown and described.
Join the waitlist — get patent alerts
Track USD669129S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.