Mattress

Beds – Mattress – Nonplanar top surface

Reexamination Certificate

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Details

C005S735000, C005S740000, C005S900000, C005S901000, C005S727000

Reexamination Certificate

active

07065816

ABSTRACT:
A mattress (10) comprises a support base (12) defining an interface surface (14) at the top thereof and a softer compressible layer (22) overlying the interface surface. The thickness of the support base varies along a longitudinal direction such that the interface surface (14) defines a concave laterally extending channel between first and second support surfaces (16,20) for the upper and lower halves of a user's body respectively, and the compressible layer (22) substantially follows the profile of the interface surface (14). The mattress (10) is particularly useful for a pregnant woman who can comfortably lie on her back, side or front.

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patent: 4665573 (1987-05-01), Fiore
patent: 5224226 (1993-07-01), Groenewald
patent: 5369824 (1994-12-01), Powell
patent: 5400449 (1995-03-01), Satto
patent: 5669094 (1997-09-01), Swanson
patent: 5960496 (1999-10-01), Boyd
patent: 6052851 (2000-04-01), Kohnle
patent: 6159574 (2000-12-01), Landvik et al.
patent: 6256822 (2001-07-01), Weston et al.
patent: 6334442 (2002-01-01), Altamura
patent: 3805980 (1988-09-01), None
patent: 077988 (1997-06-01), None
patent: 2687294 (1993-08-01), None

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