US PATENT SUBCLASS 5 / 231
.~.~.~ Underslung spring supports

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


5 /   HD   BEDS

131  DF  BEDSTEADS {6}
400  DF  .~ Having bottom {9}
230  DF  .~.~ Of fabrics and springs {5}
231.~.~.~ Underslung spring supports

DEFINITION

Classification: 5/231

(under subclass 230) Devices having groups of springs slung resiliently or suspended hammock-wise under the fabric bottom to give resilient support to the median portion or whole extent of the fabric.

SEE OR SEARCH THIS CLASS, SUBCLASS:

229, for coil-spring reinforces not resiliently mounted and merely local in their action or freely shiftable.