P
USD527152SExpiredUtilityPatentIndex 73

Vacuum cleaner

Assignee: CHEN CHUNG-MINGPriority: Jan 18, 2005Filed: Jan 18, 2005Granted: Aug 22, 2006
Est. expiryJan 18, 2025(expired)· nominal 20-yr term from priority
Inventors:CHEN CHUNG-MING
73
PatentIndex Score
8
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a vacuum cleaner, as shown and described.

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