Inflatable bed unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 3, 2006
Grant Date -
Dec 15, 2005
app pub date -
Jun 15, 2004
filing date -
Jun 15, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inflatable bed unit includes an inflatable primary bed that has a main part, a head part connected to and in fluid communication with the main part and pivotable relative to the main part, a pillow part connected to the head part such that the head part is raised by the pillow part and is pivoted relative to the main part when the pillow part expands upon injection of air therein, and a check valve interconnecting the pillow part and the head part and defining a valve opening that is opened to permit air flow from the pillow part to the head part when the pressure in the pillow part is greater than that in the head part, and that is closed to prevent air flow from the head part to the pillow part when the pressure in the head part is greater than that in the pillow part.
First Claim
Family
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Cited Art Landscape
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