Panel stiffener for wall panel system

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Description

FIG. 1 is a perspective view of a panel stiffener for wall panel system showing our new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The article is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.

Claims

The ornamental design for a panel stiffener for wall panel system, as shown and described.

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Other references
  • Screen shots taken from www.keithpanel.com (Keith Panel Systems), accessed Mar. 6, 2017.
  • Screen shots taken from www.dri-design.com (Dri-Design Wall Panel System), accessed Mar. 6, 2017.
  • Screen shots taken from www.elward.com (Elward Systems Corporation), accessed Mar. 6, 2017.
Patent History
Patent number: D823485
Type: Grant
Filed: Jan 31, 2017
Date of Patent: Jul 17, 2018
Assignee: Exterior Wall Systems Limited (London, Ontario)
Inventors: Robert B. Macdonald (London), Philip A. Macdonald (London), Alexander K. Williams (London), Jonathan W. Hoy (London)
Primary Examiner: Jennifer Rivard
Assistant Examiner: Alison M Ofstun
Application Number: 29/592,501
Classifications
Current U.S. Class: With Hollow Core (D25/124)