US PATENT SUBCLASS 5 / 702
.~ Having fluent, particulate solid filler (e.g., beads)


Current as of: June, 1999
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5 /   HD   BEDS

690  DF  MATTRESS (FOR WHOLE BODY) {23}
702.~ 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.

911, for devices containing flowable beads.

SEE OR SEARCH CLASS

297, Chairs and Seats,

452.17, for a one-piece "bean bag" type cushion.