Door sill composition
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United States of America Patent
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-
May 25, 1993
Issued Date -
N/A
app pub date -
Sep 24, 1992
filing date -
Jan 17, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved door sill construction. The sill includes a core including a form made from spun class fibers treated with a polyester resin. The spun glass fibers are oriented in both lineal rows and random mats in order to maximize strength. The sill further includes a cladding coating the form which is stable to ultraviolet radiation.
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Family
International Classification(s)
Cited Art Landscape
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