USD312990SExpiredUtility
Trailer
Individually held — no corporate assignee on recordPriority: Jul 11, 1988Filed: Jul 11, 1988Granted: Dec 18, 1990
Est. expiryJul 11, 2008(expired)· nominal 20-yr term from priority
Inventors:Ronald D. Gerdes
38
PatentIndex Score
7
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a trailer, as shown and described.
Join the waitlist — get patent alerts
Track USD312990S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.