USD303892SExpiredUtility

Locking tube roller

50
Individually held — no corporate assignee on recordPriority: Nov 6, 1987Filed: Nov 6, 1987Granted: Oct 10, 1989
Est. expiryNov 6, 2007(expired)· nominal 20-yr term from priority
Inventors:William Parker
50
PatentIndex Score
8
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a locking tube roller, as shown and described.

Join the waitlist — get patent alerts

Track USD303892S — get alerts on status changes and closely related new filings.

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