US PATENT SUBCLASS 5 / 613
.~ Sectional user supporting surface

Current as of: June, 1999
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600  DF  INVALID BED OR SURGICAL SUPPORT {12}
613.~ Sectional user supporting surface {3}
614  DF  .~.~> Hydraulically operated {1}
616  DF  .~.~> Electrically operated
617  DF  .~.~> Upper body portions of user supported by adjustable section {1}

DEFINITION

Classification: 5/613

Sectional user supporting surface:

(under subclass 600) Subject matter in which the support surface for substantially the whole body of the user is divided into separate, distinct sections or segments.

(1) Note. It is often the understructure beneath a pad or cushion that supports the user that has an upper surface divided into separate distinct sections or segments.

(2) Note. The sections or segments that comprise the support surface for substantially the whole body of the user, are often pivotally connected to each other and permit the orientation of the user's body to change from a generally supine or prone position to a nonlinear position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

690+, for mattresses or cushions that may be placed on a sectioned understructure, and especially subclass 722 for mattresses comprised of a plurality of sections which are adapted to be repositioned relative to each other.

942, for devices that have longitudinally divided top surfaces with pivotable sections.

948+, for unconventional filler materials used as supporting means.