Window cleaning appliance
Latest Alfred Kaercher GmbH & Co. KG Patents:
Description
Claims
The ornamental design for a window cleaning appliance, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D818231
Type: Grant
Filed: Apr 12, 2016
Date of Patent: May 15, 2018
Assignee: Alfred Kaercher GmbH & Co. KG (Winnenden)
Inventors: Matthias Helfert (Winnenden), Michael Meyer (Schwaikheim)
Primary Examiner: John Windmuller
Assistant Examiner: John R Yeh
Application Number: 29/560,897
Type: Grant
Filed: Apr 12, 2016
Date of Patent: May 15, 2018
Assignee: Alfred Kaercher GmbH & Co. KG (Winnenden)
Inventors: Matthias Helfert (Winnenden), Michael Meyer (Schwaikheim)
Primary Examiner: John Windmuller
Assistant Examiner: John R Yeh
Application Number: 29/560,897
Classifications
Current U.S. Class:
Scraper (D32/46)