Embossed acoustical ceiling panel

Details Embossed acoustical ceiling panel Embossed acoustical ceiling panel

1987-03-17

1990-06-12

Word, A. Hugo

Building units and construction elements

Architectural stock material

Panel, tile or applique or floor, wall, roof, etc.

Patent

active

D03085783

REFERENCES:
patent: D18689 (1888-10-01), Koskul
patent: D21825 (1892-08-01), Deslauriers
patent: D215588 (1969-10-01), Hooton
patent: 3001902 (1961-09-01), Cooke et al.
patent: 3074835 (1963-01-01), Gordon
patent: 3583522 (1971-06-01), Rohweder et al.
patent: 3593819 (1971-07-01), Giraudeau
patent: 3920872 (1975-11-01), Ollinger
patent: 4222803 (1980-09-01), Kent et al.
patent: 4711685 (1987-12-01), Hillman
"Acoustone Chex & Checkmate" (United States Gypsum Co.), 1984, cover page.
"Auratone Designer Ceilings" (USG Acoustical Products Co.), 1984, cover et seq.
"Illusion Ceiling Series" (United States Gypsum Co.), 1981, cover et seq.
"Sound Control Ceilings by USG Acoustical Products Co., SA-905", 1987, cover, pp. 9, 23.
"Ceilings Product Information and Technical Data" (Armstrong World Industries, Inc.), 1986, pp. cover, 2, 6-8, 11, 16, 18, 19.
"Gildage 1860's", (Pinecrest), 1985, pp. 1-4.

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