Mat for removing dirts or dusts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 28, 1999
Grant Date -
N/A
app pub date -
Apr 3, 1997
filing date -
Aug 13, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mat for removing dirts or dusts comprises a cushioning material made of a plurality of curled elastomeric filaments and a collector sheet of electret laying under the cushioning material. The filaments are formed of a compound of synthetic resinous material and a powdered electrical conductive material, and entangled with each other to provide a plurality of through holes or voids extending vertically through the cushioning material.
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Family
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Cited Art Landscape
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