Suspended ceiling assembly

Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating

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Details

52488, 52777, 52780, E04B 552

Patent

active

048417092

ABSTRACT:
A suspended ceiling constructed of wood having main beams and cross beams arranged to receive and support ceiling tiles. Each beam having horizontally projecting side extensions with the ends of the cross beams being grooved to frictionally fit on the side extensions of the main beam.

REFERENCES:
patent: 3003055 (1961-10-01), Liberman
patent: 3241280 (1966-03-01), Kreuger
patent: 3385020 (1968-05-01), Olson
patent: 3470666 (1969-10-01), Mod et al.
patent: 4281498 (1981-08-01), Kern
patent: 4367616 (1983-01-01), Pearson
patent: 4406104 (1983-09-01), Beck et al.
patent: 4454700 (1984-06-01), Kern
patent: 4525971 (1985-07-01), Kern

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