Acoustical gypsum board for ceiling panel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 10, 2007
app pub date -
Nov 4, 2005
filing date -
Nov 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Low density acoustical gypsum boards having a perforated cover sheet that have good sound absorption properties and are generally clear of falling gypsum dust. The invention optionally provides a cover sheet having a pattern producing a textured visual effect particularly when viewed from a distance. The acoustical gypsum boards can be produced on modified existing gypsum board lines.
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Family
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Cited Art Landscape
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