US 12,338,624 B2
Ceiling system and method of installation
Marie A DePaul, Downingtown, PA (US)
Assigned to AWI Licensing LLC, Wilmington, DE (US)
Filed by ARMSTRONG WORLD INDUSTRIES, INC., Lancaster, PA (US)
Filed on Mar. 25, 2024, as Appl. No. 18/615,036.
Application 18/615,036 is a continuation of application No. 17/495,437, filed on Oct. 6, 2021, granted, now 12,018,486.
Application 17/495,437 is a continuation in part of application No. 17/409,369, filed on Aug. 23, 2021, granted, now 11,946,250.
Claims priority of provisional application 63/089,837, filed on Oct. 9, 2020.
Claims priority of provisional application 63/069,368, filed on Aug. 24, 2020.
Prior Publication US 2024/0229459 A1, Jul. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. E04B 9/34 (2006.01)
CPC E04B 9/345 (2013.01) 20 Claims
OG exemplary drawing
 
1. A ceiling system comprising:
a plurality of first panels, each of the plurality of first panels having a first top edge, a first bottom edge, and a plurality of first upper slots in the first top edge;
a plurality of second panels, each of the plurality of second panels having a second top edge, a second bottom edge, a plurality of second upper slots in the second top edge, and a plurality of second lower slots in the second bottom edge; and
a plurality of third panels, each of the plurality of third panels having a third top edge, a third bottom edge, and a plurality of third lower slots in the third bottom edge;
wherein the plurality of first panels are configured to be arranged in a non-intersecting manner with the first bottom edges facing downward, and wherein hardware is configured to be coupled to each of the plurality of first panels and to a support structure to hang the plurality of first panels from the support structure;
wherein the plurality of second panels are configured to be mounted to the plurality of first panels by mating the second lower slots of the plurality of second panels with the first upper slots of the plurality of first panels; and
wherein the plurality of third panels are configured to be mounted to the plurality of second panels by mating the third lower slots of the plurality of third panels with the second upper slots of the plurality of second panels;
the plurality of first panels comprising:
a first end first panel;
a second end first panel; and
a pair of central first panels configured to be positioned between the first and second end first panels.