USD256046SExpiredUtility
Pipe clamp seal
Individually held — no corporate assignee on recordPriority: Jun 27, 1978Filed: Jun 27, 1978Granted: Jul 22, 1980
Est. expiryJun 27, 1998(expired)· nominal 20-yr term from priority
Inventors:Duane O. Perrin
91
PatentIndex Score
66
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe design for a pipe clamp seal, substantially as shown and described.
Join the waitlist — get patent alerts
Track USD256046S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.