Waffle-cut foam mattress or cushion pad

Details Waffle-cut foam mattress or cushion pad Waffle-cut foam mattress or cushion pad

2006-09-12

2008-09-23

Engle, Patricia (Department: 3673)

Beds

Mattress

Nonplanar top surface

C005S724000, C005S652100

Reexamination Certificate

active

07426767

ABSTRACT:
A resilient foam or fiber cushion or mattress pad having wave-shaped top and bottom surfaces with the two surfaces angled relative to one another and the valleys of the wave-shaped patterns intersecting to create ventilation holes or apertures through the pad. The pad may be utilized either as a topper pad for a cushion or mattress or as a spring core element of a cushion or mattress.

REFERENCES:
patent: 3197357 (1965-07-01), Schulpen
patent: 3222697 (1965-12-01), Scheermesser
patent: 3940811 (1976-03-01), Tomikawa et al.
patent: 4207636 (1980-06-01), Ceriani
patent: 4700447 (1987-10-01), Spann
patent: 4713854 (1987-12-01), Graebe
patent: 4866800 (1989-09-01), Bedford
patent: 5249319 (1993-10-01), Higgs
patent: 6668409 (2003-12-01), Blumer

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