USD312564SExpiredUtility

Letter opener

46
Individually held — no corporate assignee on recordPriority: Dec 22, 1988Filed: Dec 22, 1988Granted: Dec 4, 1990
Est. expiryDec 22, 2008(expired)· nominal 20-yr term from priority
Inventors:Sai Y. Tam
46
PatentIndex Score
4
Cited by
1
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD312564S — get alerts on status changes and closely related new filings.

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