Window cleaning appliance

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Description

FIG. 1 is a front, top and left side perspective view of a window cleaning appliance showing the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a window cleaning appliance, as shown and described.

Referenced Cited
U.S. Patent Documents
D646861 October 11, 2011 McGee
D649314 November 22, 2011 Quinlan
D703405 April 22, 2014 Meyer
D715009 October 7, 2014 Curien
D720107 December 23, 2014 Meyer
D768948 October 11, 2016 Baxter
D769560 October 18, 2016 Helfert
D787142 May 16, 2017 Buckley
D828665 September 11, 2018 Helfert
D830026 October 2, 2018 Helfert
D841912 February 26, 2019 Renner
Patent History
Patent number: D874771
Type: Grant
Filed: Apr 20, 2018
Date of Patent: Feb 4, 2020
Assignee: Alfred Kaercher SE & Co. KG (Winnenden)
Inventors: Michael Meyer (Schwaikheim), Matthias Helfert (Winnenden)
Primary Examiner: Michelle E. Wilson
Application Number: 29/644,793
Classifications