Pillow utilizing air and water
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 16, 1988
Grant Date -
N/A
app pub date -
Feb 10, 1987
filing date -
Feb 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pillow adapted to provide yieldable support of controllable softness and thickness is fabricated of thermoplastic sheet material in a manner whereby a central air compartment is surrounded by a continuous liquid compartment, each compartment being provided with valve means. The pillow may be fabricated by the interbonding of four rectangular pieces of thermoplastic sheet material. When empty of air and liquid, the pillow occupies little storage space.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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