USD328410SExpiredUtility

Knife sharpener

97
Assignee: EDGECRAFT CORPPriority: Apr 12, 1989Filed: Apr 12, 1989Granted: Aug 4, 1992
Est. expiryApr 12, 2009(expired)· nominal 20-yr term from priority
Inventors:Daniel D. Friel, Sr.
97
PatentIndex Score
55
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a knife sharpener, as shown and described.

Join the waitlist — get patent alerts

Track USD328410S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.