A person-support surface comprises a non powered mattress and a coverlet positionable on the non powered mattress. The coverlet includes an entry positioned at a first end of the coverlet, an exit positioned at a second end of the coverlet opposite the entry, an upper air impermeable layer, and a lower air impermeable layer coupled to the upper air impermeable layer to form an air flow path along the coverlet between the entry and the exit. The upper air impermeable layer is a vapor permeable and the lower air impermeable layer is a vapor permeable.

Claims

7 · 1 independent · depth 3

7 granted claims

›1.independentA fluid supply system, comprising:na gas blower; anda conduit coupled to the gas blower and configured to communicate gas therethrough, the conduit in…+6

Classifications

8 codes

IPC · International Patent Classification

Section A — Human necessities

A47C27/08
A47C27/18
A61F7/00
A47C27/00
A47C27/10
A47C31/00
A47C21/04
A61G7/057

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File wrapper

Pendency

1.8 y

658 days filing → grant

Office actions

non-final + final

Responses

1 RCE

Examiner

Robert G Santos

art unit 3673 · TC 3600

Law firm

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Citations: 19 back · 0 forward

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Priority chain

2 priority documents

Priority

15 Apr 2008

earliest claimed

›Priority documents — 2

Type	Document	Date
provisional	US 61045111	15 Apr 2008
related publication	US 20150089749 A1	2 Apr 2015

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