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1. (WO2017040236) CEILING SYSTEM

Pub. No.:    WO/2017/040236    International Application No.:    PCT/US2016/048834
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Sat Aug 27 01:59:59 CEST 2016
IPC: E04B 9/28
Applicants: ARMSTRONG WORLD INDUSTRIES, INC.
Inventors: DUSCHL, Robert A.
Title: CEILING SYSTEM
Abstract:
A ceiling system, a ceiling panel, and a method of covering a ceiling support with a plurality of ceiling panels. In one aspect, the invention may be a ceiling system comprising: a plurality of ceiling panels, each of the ceiling panels comprising: an upper face; a lower face opposite the upper face; a first edge, a second edge, a third edge opposite the first edge, and a fourth edge opposite the second edge; each of the first and second edges comprising a tongue; and each of the third and fourth edges comprising a groove; and a plurality of alignment clips, each of the alignment clips comprising a cruciform rib element.