US PATENT SUBCLASS 5 / 701
.~ Rigid plate or layer reinforced, with uniform, fixed supporting characteristics across top surface


Current as of: June, 1999
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5 /   HD   BEDS

690  DF  MATTRESS (FOR WHOLE BODY) {23}
701.~ Rigid plate or layer reinforced, with uniform, fixed supporting characteristics across top surface


DEFINITION

Classification: 5/701

Rigid plate or layer reinforced, with uniform, fixed supporting characteristics across top surface:

(under subclass 690) Mattresses disclosing the use of a single firm layer or plate, or a plurality of smaller, firm elements provided within or integrally on top of the mattress, to stiffen the support characteristics of the mattress, the mattress having homogeneous or constant support characteristics across its top supporting surface.

(1) Note. Excluded from this subclass are mattresses that have reinforcing means such as slats located only in selected portions, in order to provide different support characteristics for different portions of the mattress.

SEE OR SEARCH THIS CLASS, SUBCLASS:

727+, for mattresses that have sections of different support characteristics.