IP Library Granted Patent US 1,085,605
Granted Patent S1
US 1,085,605 · App. 29/851,712 · Granted Jul 22, 2025

Extendable window cleaning tool

Inventors: William Harrington (Newtown, CT); Kai Hirsch (Cologne, DE); Cristian Siems (Westphalia, DE)
Assignee: Unger Marketing International, LLC
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Quick Facts
Patent No.
US 1,085,605
App. No.
29/851,712
Granted
Jul 22, 2025
Kind
S1
Claims (1)

The ornamental design for an extendable window cleaning tool, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 31, 2022
From: HARRINGTON, WILLIAM; HIRSCH, KAI; SIEMS, CRISTIAN
To: UNGER MARKETING INTERNATIONAL, LLC
Reel/Frame 060951/0165 →
Continuity (1)
Division 29766694 · Jan 18, 2021
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