USD254230SExpiredUtility
Washboard
Individually held — no corporate assignee on recordPriority: May 11, 1978Filed: May 11, 1978Granted: Feb 19, 1980
Est. expiryMay 11, 1998(expired)· nominal 20-yr term from priority
Inventors:Millicent M. Sanger
72
PatentIndex Score
20
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a washboard, as shown and described.
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