Backrest of a chair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 30, 2003
Grant Date -
May 23, 2002
app pub date -
Oct 19, 2001
filing date -
Oct 30, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The backrest of a chair comprises an inner low rigidity flexible back-receiving portion and an outer high-rigidity side frame spaced from the back-receiving portion via a slit. The backrest is integrally molded by synthetic resin, thereby shortening manufacturing process and reducing its cost. Comfort of a sitting person is also attained.
First Claim
Family
International Classification(s)
Cited Art Landscape
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