USD310471SExpiredUtility

Clamp for polish rod liner of an oil well pumping unit

32
Individually held — no corporate assignee on recordPriority: Oct 23, 1987Filed: Oct 23, 1987Granted: Sep 11, 1990
Est. expiryOct 23, 2007(expired)· nominal 20-yr term from priority
Inventors:Jimmie R. Kuykendall
32
PatentIndex Score
6
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a clamp for polish rod liner of an oil well pumping unit, as shown and described.

Join the waitlist — get patent alerts

Track USD310471S — get alerts on status changes and closely related new filings.

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