Tool for cleaning grout
Latest 3M Innovative Properties Company Patents:
Description
Claims
The ornamental design for a tool for cleaning grout, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D935715
Type: Grant
Filed: May 29, 2020
Date of Patent: Nov 9, 2021
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Mario A. Davenport (St. Paul, MN), Kyle C. Bryson (Woodbury, MN)
Primary Examiner: Philip S Hyder
Application Number: 29/736,326
Type: Grant
Filed: May 29, 2020
Date of Patent: Nov 9, 2021
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Mario A. Davenport (St. Paul, MN), Kyle C. Bryson (Woodbury, MN)
Primary Examiner: Philip S Hyder
Application Number: 29/736,326
Classifications
Current U.S. Class:
Scraper, Duster, Mop, Or Sponge (D32/40)