USD271816SExpiredUtility
Vacuum head for cleaning underwater surfaces
Individually held — no corporate assignee on recordPriority: Nov 10, 1980Filed: Nov 10, 1980Granted: Dec 13, 1983
Est. expiryNov 10, 2000(expired)· nominal 20-yr term from priority
Inventors:Kenneth E. Price
70
PatentIndex Score
11
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a vacuum head for cleaning underwater surfaces, substantially as shown and described.
Join the waitlist — get patent alerts
Track USD271816S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.