US 12,258,756 B2
Ceiling system having a plurality of different panels
Nathan J Baxter, Lancaster, PA (US); Samuel D Pawlak, Lancaster, PA (US); Scott D Harnish, Lancaster, PA (US); Ryan D Hanuschak, Lancaster, PA (US); Nicholas J Friez, Lancaster, PA (US); Nathan H Canfijn, Lancaster, PA (US); Marie A DePAUL, West Chester, PA (US); and Kain A Place, Lancaster, PA (US)
Assigned to AWI Licensing LLC, Wilmington, DE (US)
Filed by ARMSTRONG WORLD INDUSTRIES, INC., Lancaster, PA (US)
Filed on Jun. 30, 2023, as Appl. No. 18/216,731.
Application 18/216,731 is a continuation of application No. 17/223,313, filed on Apr. 6, 2021, granted, now 11,725,384.
Application 17/223,313 is a continuation of application No. 16/876,651, filed on May 18, 2020, granted, now 10,995,489, issued on May 4, 2021.
Application 16/876,651 is a continuation of application No. 16/359,481, filed on Mar. 20, 2019, granted, now 10,676,925, issued on Jun. 9, 2020.
Claims priority of provisional application 62/645,990, filed on Mar. 21, 2018.
Prior Publication US 2023/0340783 A1, Oct. 26, 2023
Int. Cl. E04B 9/00 (2006.01); E04B 9/12 (2006.01)
CPC E04B 9/003 (2013.01) [E04B 9/12 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A grid system for use installing a ceiling system within a building space having a plurality of walls, the grid system comprising:
a plurality of main beams configured to be supported within the building space in parallel manner to one another;
a plurality of cross members configured to extend between and be supported by adjacent ones of the plurality of main beams;
a plurality of unitary brackets, each of the brackets comprising:
a central portion comprising a central vertical wall extending upward from a central bottom flange;
a first tab extending outward from the central portion and configured to connect to the plurality of cross members, the first tab comprising a first tab vertical wall and a first tab bottom flange, the first tab vertical wall extending upward from the first tab bottom flange; and
a second tab extending outward from the central portion and configured to connect to the plurality of cross members, the second tab comprising a second tab vertical wall and a second tab bottom flange, the second tab vertical wall extending upward from the second tab bottom flange, and an acute first bracket angle defined between the first tab and the second tab.