USD401129SExpiredUtility
Sharpening device
Est. expiryJan 10, 2017(expired)· nominal 20-yr term from priority
Inventors:Louis S. Glesser
46
PatentIndex Score
5
Cited by
24
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a sharpening device, as shown and described.
Join the waitlist — get patent alerts
Track USD401129S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.