Chair with automatically adjustable tilting back
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 8, 1982
Issued Date -
N/A
app pub date -
Jul 11, 1979
filing date -
Dec 4, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chair comprises a unitary seat and lower back and a separate upper back mounted on the lower back to tilt backward from a yieldably restrained, relatively upright position by at least one resilient articulating linkage. The chair may also have a second seat component nested in and slidable forward and backward on the seat portion of the unitary seat and lower back.
First Claim
Family
International Classification(s)
Cited Art Landscape
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