USD283261SExpiredUtility

Back washing scrubbing device

71
Individually held — no corporate assignee on recordPriority: Mar 18, 1982Filed: Mar 18, 1982Granted: Apr 1, 1986
Est. expiryMar 18, 2002(expired)· nominal 20-yr term from priority
Inventors:Henry F. Walling
71
PatentIndex Score
13
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a back washing scrubbing device, as shown.

Join the waitlist — get patent alerts

Track USD283261S — get alerts on status changes and closely related new filings.

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