USD409337SExpiredUtility
Back washer
Est. expiryAug 27, 2018(expired)· nominal 20-yr term from priority
Inventors:Ulysses Johnson, Jr.
68
PatentIndex Score
25
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a back washer, as shown.
Join the waitlist — get patent alerts
Track USD409337S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.