US PATENT SUBCLASS 5 / 234
.~.~.~ Leaf-spring supports

Current as of: June, 1999
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5 /   HD   BEDS

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

DEFINITION

Classification: 5/234

(under subclass 230) Devices with leaf springs or their equivalent forms attached directly to the fabric elements at the margin, allowing local sag.