No-flip mattress systems and methods

Details No-flip mattress systems and methods No-flip mattress systems and methods

2005-10-11

2005-10-11

Grosz, Alexander (Department: 3673)

Beds

Mattress

C005S706000, C005S740000, C005S727000, C005S720000

Reexamination Certificate

active

06952850

ABSTRACT:
A no-fip mattress is constructed of a mattress core, a first padding layer positioned on top of the core, wherein the first padding layer has a density in the range from about 0.5 pounds per cubic foot to about 3 pounds per cubic foot and a firmness in the range from about 8 IFD to about 45 IFD. A second padding layer is adjacent to the first padding layer, wherein the second padding layer has a density in the range from about 0.5 pounds to about 1.9 pounds, and an IFD in the range from about 5 to about 23. A bottom support layer is beneath the core, and comprises a relatively dense and firm material.

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patent: 6408469 (2002-06-01), Gladney et al.
patent: 2002/0184712 (2002-12-01), Gladney et al.
patent: 8809029.9 (1989-03-01), None

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