USD313378SExpiredUtility

Railroad hopper car end slope collar casting

Assignee: THRALL CAR MFG COPriority: Feb 18, 1988Filed: Feb 18, 1988Granted: Jan 1, 1991

Est. expiryFeb 18, 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 a railroad hopper car end slope collar casting, as shown and described.

Join the waitlist — get patent alerts

Track USD313378S — get alerts on status changes and closely related new filings.

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