Window cleaning appliance
Latest Alfred Kaercher SE & Co. KG Patents:
Description
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
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
Current U.S. Class:
Scraper, Duster, Mop, Or Sponge (D32/40)