USD312955SExpiredUtility

Envelope opener

Assignee: MELAMED SAMPriority: Aug 16, 1988Filed: Aug 16, 1988Granted: Dec 18, 1990

Est. expiryAug 16, 2008(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for an envelope opener, as shown.

Join the waitlist — get patent alerts

Track USD312955S — get alerts on status changes and closely related new filings.

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