USD354592SExpiredUtility
Brush-type cleaning device
Individually held — no corporate assignee on recordPriority: Nov 2, 1993Filed: Nov 2, 1993Granted: Jan 17, 1995
Est. expiryNov 2, 2013(expired)· nominal 20-yr term from priority
Inventors:Donald B. Powers
63
PatentIndex Score
20
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a brush-type cleaning device, as shown and described.
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