Seismic expansion sleeve for suspended ceilings

- USG Interiors, LLC.
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Description

FIG. 1 is a top perspective view of the present sleeve;

FIG. 2 is a side view of same;

FIG. 3 is a top view of same;

FIG. 4 is a front view of same;

FIG. 5 is a bottom view of same;

FIG. 6 is a top perspective view of the sleeve of FIG. 1 when in an installed or crimped configuration;

FIG. 7 is a side view of same;

FIG. 8 is a top view of same;

FIG. 9 is a front view of same; and,

FIG. 10 is a bottom view of same.

Claims

The ornamental design for a seismic expansion sleeve for suspended ceilings, as shown and described.

Referenced Cited
U.S. Patent Documents
2169388 August 1939 Ingram et al.
4827687 May 9, 1989 Frawley
D344601 February 22, 1994 Jenkins et al.
5888017 March 30, 1999 Corrie
6336302 January 8, 2002 Brugman et al.
7428801 September 30, 2008 Ostenfeldt
7607272 October 27, 2009 Woolworth
D618826 June 29, 2010 Lehane, Jr.
Patent History
Patent number: D656251
Type: Grant
Filed: Dec 3, 2010
Date of Patent: Mar 20, 2012
Assignee: USG Interiors, LLC. (Chicago, IL)
Inventors: Abraham Monroe Underkofler (Waukegan, IL), James Joseph Lehane (McHenry, IL), Peder John Gulbrandsen (Aurora, IL), Mark Robert Paulsen (Waukegan, IL)
Primary Examiner: Doris Clark
Attorney: Pradip Sahu
Application Number: 29/380,398
Classifications