Patent ID: 8739487

Claim:
A ceiling panel comprising a perimeter frame, an acoustical insert secured within said perimeter frame and inwardly offset from a side edge of said ceiling panel, and a finished surface substrate secured beneath and covering a lower surface of said perimeter frame and said acoustical insert material; said perimeter frame comprising a series of connected extruded members where each extruded member includes an outwardly extending flange defining a wide border edge of said ceiling panel and an integral vertical section to one side of said flange; and wherein said finished surface substrate is secured to said outwardly extending flange of each extruded member and said vertical section of each, extruded member is held in abutting contact with a side edge of said acoustical insert; and wherein each extruded member includes in cross section at least one securing flange extending inwardly from said vertical section and located at an end of said vertical section opposite said outwardly extending flange or at an intermediate position on said vertical section.