Upper main shaft
Description
Claims
The ornamental design for an upper main shaft, as shown.
Referenced Cited
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Patent History
Patent number: D881759
Type: Grant
Filed: Jun 27, 2018
Date of Patent: Apr 21, 2020
Inventor: Daniel Turner (Humble, TX)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Clese Moore, Jr.
Application Number: 29/654,818
Type: Grant
Filed: Jun 27, 2018
Date of Patent: Apr 21, 2020
Inventor: Daniel Turner (Humble, TX)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Clese Moore, Jr.
Application Number: 29/654,818
Classifications