Seismic expansion sleeve for suspended ceilings
Latest USG Interiors, LLC. Patents:
Description
Claims
The ornamental design for a seismic expansion sleeve for suspended ceilings, as shown and described.
Referenced Cited
U.S. Patent Documents
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
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