.~ Having fluent, particulate solid filler (e.g., beads)
DEFINITION
Classification: 5/702
Having fluent, particulate solid filler (e.g., beads):
(under subclass 690) Mattresses in which at least a portion thereof is filled with a large number of small particles
(e.g., beads) of particulate material, that flow or realign with respect to one another upon a user exerting pressure upon the mattress.
(1) Note. The particulate solid may be sand, spheres of plastic, metal, ceramic, wood, beans, or other similar materials, usually enclosed in a container.
(2) Note. Excluded from this subclass are fluidized beds, in which beads are lifted or suspended by a stream of high pressure gas.
SEE OR SEARCH THIS CLASS, SUBCLASS:
644, for support means useable with an invalid bed or surgical support filled with a fluent material.
654, for a support especially adapted to be seated on, filled with a fluent material.
655.4, for supports for a user's body or part thereof containing flowable particulate solid fillers. 689, for fluidized beds.
