Floor cleaning device
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The broken line showing of the circular area on the top surface of the head, a connector, and handle is included for the purpose of illustrating portions of the article that form no part of the claimed design. The surface shading illustrated in the drawings is provided merely to highlight the contour of the design and is not intended to be illustrative texture or gloss.
Claims
The ornamental design for a floor cleaning device, as shown and described.
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Type: Grant
Filed: Jan 28, 2005
Date of Patent: Jun 12, 2007
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Mark W. Nelson (Lino Lakes, MN), Michael J. Kubes (Oakdale, MN), Perry S. Dotterman (Maplewood, MN), Byron E. Trotter (St. Paul, MN), Arthur V. Lang (Maplewood, MN)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Lavone D. Tabor
Attorney: Trisha D. Adamson
Application Number: 29/222,359