Scouring sponge
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Broken lines in the drawings provide environmental structure and form no part of the design to be patented. The holes shown in the sponge portions in the Figures represent either a foam sponge (smaller holes) and a cellulose sponge (larger holes), and do not depict a specific pattern of holes.
Claims
The ornamental design for a scouring sponge, as shown and described.
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Type: Grant
Filed: Dec 8, 2017
Date of Patent: Oct 1, 2019
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (Saint Paul, MN)
Inventors: Matthew W. Gorrell (South Saint Paul, MN), Carolina Bautista-Brown (Woodbury, MN), Douglas C. Blackwell (Stillwater, MN), James P. Endle (New Richmond, WI), Lucas J. Hunt (Nowthen, MN), Robert J. Maki (Hudson, WI), Hannah L. Stoughton (Afton, MN)
Primary Examiner: John Windmuller
Assistant Examiner: John R Yeh
Application Number: 29/628,925