Beds – Mattress – Having confined gas
Reexamination Certificate
2006-09-19
2006-09-19
Trettel, Michael (Department: 3673)
Beds
Mattress
Having confined gas
C005S711000, C005S714000, C005S715000
Reexamination Certificate
active
07107641
ABSTRACT:
A double chambered transfer mattress is provided capable of partial deflation that that includes a top inflatable mattress and a bottom inflatable mattress that are separated by a common wall from one another. A selectable inlet/outlet valve is arranged for airflow communication between an interior chamber of the bottom inflatable mattress and a source of pressurized air. A one-way valve is positioned through the common wall so as to provide selective air flow communication between the top inflatable mattress and the bottom inflatable mattress so that when the inlet/outlet valve is opened, so as to deflate the bottom inflatable mattress, the one-way valve is actuated so as to prevent deflation of the top inflatable mattress.
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Duane Morris LLP
Trettel Michael
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