US PATENT SUBCLASS 297 / 452.63
.~ Made of individual elongated members extending across a support frame (e.g., webs, straps, slats, stringed beads, etc.)

Current as of: June, 1999
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297 /   HD   CHAIRS AND SEATS

452.1  DF  BOTTOM OR BACK {12}
452.63.~ Made of individual elongated members extending across a support frame (e.g., webs, straps, slats, stringed beads, etc.) {1}
452.64  DF  .~.~> Intermeshed (e.g., crisscrossed, etc.)

DEFINITION

Classification: 297/452.63

Made of individual elongated members extending across a support frame (e.g., webs, straps, slats, stringed beads, etc.):

(under subclass 452.1) Device wherein the bottom or back is formed by a plurality of distinct elongated support elements which are arranged to be either: 1) spaced in parallel orientation or closely adjacent to each other, or 2) in a woven pattern.

SEE OR SEARCH THIS CLASS, SUBCLASS:

230.11, for a supplemental back having a flexible supporting surface which spans a framework.