Cleaning sponge

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Description

FIG. 1 is a perspective view of the new design for a cleaning sponge;

FIG. 2 is a top view thereof, the bottom view being a mirror image thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a rear view thereof, the front view being a mirror image thereof.

Claims

The ornamental design for a cleaning sponge, as shown and described.

Referenced Cited
U.S. Patent Documents
D405927 February 16, 1999 Mallios
D410308 May 25, 1999 Tintelnot
D421166 February 22, 2000 Tintelnot
D459698 July 2, 2002 Wong
D464472 October 15, 2002 Haro
D476785 July 1, 2003 Chezzi
7124465 October 24, 2006 Kaminstein
7234189 June 26, 2007 Chen
D548414 August 7, 2007 Akin et al.
D550913 September 11, 2007 D'Estais
D553316 October 16, 2007 Poizeau et al.
D556966 December 4, 2007 Herbrand et al.
Foreign Patent Documents
RCD-000285937-007 March 2005 BE
0900046 June 2000 EP
Patent History
Patent number: D571516
Type: Grant
Filed: Nov 26, 2007
Date of Patent: Jun 17, 2008
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Timotheos J. Leahy (Saint Paul, MN), Bonnie C. Lembitz (Woodbury, MN)
Primary Examiner: Pamela J. Burgess
Attorney: Trisha D. Adamson
Application Number: 29/297,967
Classifications
Current U.S. Class: Scraper, Duster, Mop, Or Sponge (D32/40)