Surface cleaning system
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Description
The broken lines in the drawings show environmental structure and form no part of the claimed design.
Claims
The ornamental design for a surface cleaning system, as shown and described.
Referenced Cited
Patent History
Patent number: D875334
Type: Grant
Filed: Nov 9, 2017
Date of Patent: Feb 11, 2020
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: Michelle E. Wilson
Application Number: 29/625,426
Type: Grant
Filed: Nov 9, 2017
Date of Patent: Feb 11, 2020
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: Michelle E. Wilson
Application Number: 29/625,426
Classifications
Current U.S. Class:
Upright Type (D32/22)