Attrition mill propeller
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Description
The broken lines shown in the drawings illustrate portions of the attrition mill propeller that form no part of the claimed design.
Claims
The ornamental design for an attrition mill propeller, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D873305
Type: Grant
Filed: Sep 21, 2017
Date of Patent: Jan 21, 2020
Assignee: Superior Industries, Inc. (Morris, MN)
Inventors: Travis Thooft (Morris, MN), Lafe Grimm (Morris, MN)
Primary Examiner: Derrick E Holland
Application Number: 29/618,523
Type: Grant
Filed: Sep 21, 2017
Date of Patent: Jan 21, 2020
Assignee: Superior Industries, Inc. (Morris, MN)
Inventors: Travis Thooft (Morris, MN), Lafe Grimm (Morris, MN)
Primary Examiner: Derrick E Holland
Application Number: 29/618,523
Classifications