USD620215SActiveUtility

Cleaning tool

70
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Aug 31, 2007Filed: Feb 15, 2008Granted: Jul 20, 2010
Est. expiryAug 31, 2027(~1.1 yrs left)· nominal 20-yr term from priority
Inventors:Jian Jun PengFeng ZengLiang Cheng
70
PatentIndex Score
19
Cited by
18
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a cleaning tool, as shown and described.

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