Pulley balancing device for windows

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Description

FIG. 1 is a front perspective view of a pulley balancing device for windows showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

Claims

The ornamental design for a pulley balancing device for windows, as shown.

Referenced Cited
U.S. Patent Documents
D16980 November 1886 Kuhn
352539 November 1886 Handy
D28397 March 1898 Ocumpaugh
D202294 September 1965 Heifetz
4079916 March 21, 1978 Einhorn
4834331 May 30, 1989 Domingo
5154401 October 13, 1992 Schramm
D330671 November 3, 1992 Greene
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D687700 August 13, 2013 Petzl
8579261 November 12, 2013 Liau
D738285 September 8, 2015 Franta
D848254 May 14, 2019 Sasaki
D875506 February 18, 2020 Neves
D887821 June 23, 2020 Franta
Foreign Patent Documents
765474 September 2003 AU
Patent History
Patent number: D908474
Type: Grant
Filed: Jan 18, 2019
Date of Patent: Jan 26, 2021
Assignee: FENESTRATION SOLUTIONS AUSTRALIA PTY LTD (Chelsea Heights)
Inventors: Shane Hedley McDuff (Chelsea Heights), Nigel David Proctor (Chelsea Heights), Yuri Dolgikh (Chelsea Heights), Drew Phillip Anthony (Chelsea Heights), David John Ackland (Chelsea Heights)
Primary Examiner: Cynthia R Underwood
Application Number: 29/677,307
Classifications
Current U.S. Class: D8/360