Sponge
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Description
The broken lines in the drawings are shown for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for a sponge, as shown and described.
Referenced Cited
Patent History
Patent number: D703896
Type: Grant
Filed: Apr 17, 2013
Date of Patent: Apr 29, 2014
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Naoko Ishikawa (Tokyo), Ryoko Kunibu (Saitama), Akifumi Asano (Tokyo)
Primary Examiner: Robin V Webster
Application Number: 29/452,477
Type: Grant
Filed: Apr 17, 2013
Date of Patent: Apr 29, 2014
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Naoko Ishikawa (Tokyo), Ryoko Kunibu (Saitama), Akifumi Asano (Tokyo)
Primary Examiner: Robin V Webster
Application Number: 29/452,477
Classifications
Current U.S. Class:
Scraper, Duster, Mop, Or Sponge (D32/40)