USD507385SExpiredUtility
Rotary brush vacuum cleaner
Priority: Feb 18, 2003Filed: Feb 18, 2003Granted: Jul 12, 2005
Est. expiryFeb 18, 2023(expired)· nominal 20-yr term from priority
Inventors:Mei-Chun Ma
74
PatentIndex Score
24
Cited by
32
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a rotary brush vacuum cleaner, as shown and described.
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