Surface cleaning device shaft
The broken lines in the drawings show portions of the surface cleaning device shaft that form no part of the claimed design.
Claims
The ornamental design for a surface cleaning device shaft, as shown and described.
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Type: Grant
Filed: Sep 19, 2017
Date of Patent: Aug 20, 2019
Assignee: RUG DOCTOR, LLC (Plano, TX)
Inventors: Ernest Matthew Chavana, Jr. (Villa Ridge, MO), Richard Foster (Powell, OH), Stanley Anderson (Fenton, MO), Christopher Terpstra (Frisco, TX), Jan Valentic (Plano, TX), Xintao Ma (Suzhou)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Laura H Yu
Application Number: 29/618,162