IP Library › Granted Patent US 874,771
Granted Patent S1
US 874,771 · App. 29/644,793 · Granted Feb 4, 2020

Window cleaning appliance

Inventors: Michael Meyer (Schwaikheim, DE); Matthias Helfert (Winnenden, DE)
Assignee: Alfred Kaercher SE & Co. KG
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Quick Facts
Patent No.
US 874,771
App. No.
29/644,793
Granted
Feb 4, 2020
Kind
S1
Claims (1)

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

Assignments (2)
CHANGE OF NAME Recorded Sep 10, 2018
From: ALFRED KAERCHER GMBH & CO. KG
To: ALFRED KAERCHER SE & CO. KG
Reel/Frame 047036/0566 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 14, 2018
From: MEYER, MICHAEL; HELFERT, MATTHIAS
To: ALFRED KAERCHER GMBH & CO. KG
Reel/Frame 045794/0850 →
Priority Claims (1)
WO DM/098613 · Nov 16, 2017 · international