Cleaning sponge

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Description

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

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view being a mirror image thereof; and,

FIG. 5 is a top view thereof, the bottom view being a mirror image thereof.

Claims

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

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Patent History
Patent number: D738056
Type: Grant
Filed: Mar 26, 2014
Date of Patent: Sep 1, 2015
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Satoshi Harai (Tokyo), Akifumi Asano (Tokyo)
Primary Examiner: Robin V Webster
Application Number: 29/486,129
Classifications
Current U.S. Class: Scraper, Duster, Mop, Or Sponge (D32/40)