Cleaning tool
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Description
The surface shading illustrated in the drawings is provided merely to highlight the contour of design; it is not intended to be illustrative of texture or gloss.
Claims
The ornamental design for a cleaning tool, as shown and described.
Referenced Cited
Patent History
Patent number: D556408
Type: Grant
Filed: Oct 31, 2006
Date of Patent: Nov 27, 2007
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Arthur V. Lang (Maplewood, MN), Perry S. Dotterman (Maplewood, MN), Thomas G. Skulley (St. Paul, MN)
Primary Examiner: Pamela J. Burgess
Attorney: Trisha D. Adamson
Application Number: 29/268,153
Type: Grant
Filed: Oct 31, 2006
Date of Patent: Nov 27, 2007
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Arthur V. Lang (Maplewood, MN), Perry S. Dotterman (Maplewood, MN), Thomas G. Skulley (St. Paul, MN)
Primary Examiner: Pamela J. Burgess
Attorney: Trisha D. Adamson
Application Number: 29/268,153
Classifications
Current U.S. Class:
With Handle Or Holder (D32/52)