Chair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 25, 2004
Grant Date -
Dec 19, 2002
app pub date -
May 23, 2002
filing date -
Oct 16, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chair 1 allowing a person sitting thereon to move a part of the person's body above the waist which corresponds to the backrest of the chair is provided having a backrest portion located behind a seat portion, the backrest portion being divided into backrest upper frames 55 and backrest lower frames 50, wherein a first state which allows the whole backrest frame 5 to incline rearwardly and a second state which allows the backrest upper frames 55 to incline rearwardly relative to the backrest lower frames 50 are assumed, the first state and the second state being switchable to each other.
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