(under subclass 716) Innerspring-type core mattress wherein an ample portion of the spaces between individual coiled wire members or group of coiled wire members are filled with an expanded cellular material, with the expanded cellular material and the members together providing support for a user upon their compression.
(1) Note. The use of foam layers on top of the springs, or at peripheral portions of the mattress, is not sufficient for classification in this subclass.
(2) Note. Subject matter in this subclass are, in effect, hybrid spring and foam mattresses.
SEE OR SEARCH THIS CLASS, SUBCLASS:
655.7, for foam body supports not containing any springs.
740, for foam mattresses not containing any springs, that have an unusual foam, or having conventional foams configured in an unconventional way.
