USD397146SExpiredUtility
Ring binder
Est. expiryJul 23, 2016(expired)· nominal 20-yr term from priority
Inventors:Keung Chan
68
PatentIndex Score
15
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design of a ring binder, as shown and described.
Join the waitlist — get patent alerts
Track USD397146S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.