USD301435SExpiredUtility

Railway crossing insert

56
Individually held — no corporate assignee on recordPriority: Mar 25, 1987Filed: Mar 25, 1987Granted: Jun 6, 1989
Est. expiryMar 25, 2007(expired)· nominal 20-yr term from priority
Inventors:John K. Martin
56
PatentIndex Score
7
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a railway crossing insert, as shown and described.

Join the waitlist — get patent alerts

Track USD301435S — get alerts on status changes and closely related new filings.

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