Trapezoidal structured abrasive article
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Description
Claims
The ornamental design for a trapezoidal structured abrasive article, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D893974
Type: Grant
Filed: Jan 4, 2019
Date of Patent: Aug 25, 2020
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (Saint Paul, MN)
Inventors: Lijun Zu (Woodbury, MN), Jonathan C. Dilley (Minneapolis, MN), Donald T. Landin (Eagan, MN), Anthony D. Deutsch (Siren, WI), Andrew C. Anderson (Hudson, WI), Craig R. Sykora (New Richmond, WI)
Primary Examiner: Philip S Hyder
Application Number: 29/675,758
Type: Grant
Filed: Jan 4, 2019
Date of Patent: Aug 25, 2020
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (Saint Paul, MN)
Inventors: Lijun Zu (Woodbury, MN), Jonathan C. Dilley (Minneapolis, MN), Donald T. Landin (Eagan, MN), Anthony D. Deutsch (Siren, WI), Andrew C. Anderson (Hudson, WI), Craig R. Sykora (New Richmond, WI)
Primary Examiner: Philip S Hyder
Application Number: 29/675,758
Classifications
Current U.S. Class:
D8/90