(under subclass 690) Mattress containing a specific property or material of the exposed surface of the pad that surrounds the inner core.
(1) Note. This subclass is for unconventional and unusual material for single or multiple coverings or tickings, or the manner in which the covering or ticking is attached to the mattress, or the configuration (e.g., extreme looseness) of the covering relative to the mattress core.
(2) Note. This subclass excludes merely conventional waterproof coverings, conventional fireproof coverings, or conventional tufted coverings.
SEE OR SEARCH THIS CLASS, SUBCLASS:
402+, for the combination of a bottom and an upholstered pad (i.e., mattress or cushion) which has means to hold the upholstery to the bottom or pad.
484, for waterproof covering.
490, for pillow covers. 501, for coverings for bedclothes.
655.6, for cushion-type supports, in which the covering is attached to the core by tufting.
696, for tufted mattresses, in which a covering is attached to a mattress core by tufting.
698, for mattresses with fireproof materials, in which the covering may have fireproof properties.
699, for waterproof mattresses, in which the covering of the mattress is usually waterproof.
738, for mattresses having tickings that are easily openable for the addition, removal, or replacement of filler materials.
739, for edge, corner, or border features, such as edge rolls, that may be provided on a mattress cover or ticking.
