US PATENT SUBCLASS 5 / 189
.~.~.~.~ Continuous spring elements

Current as of: June, 1999
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5 /   HD   BEDS

131  DF  BEDSTEADS {6}
400  DF  .~ Having bottom {9}
*  DD  .~.~ Fabricated elastic flats {6}
186.1  DF  .~.~.~ Surface {7}
189.~.~.~.~ Continuous spring elements

DEFINITION

Classification: 5/189

(under subclass 186.1) Devices constituted by continuous elements distorted to give them resilience running from end to end or side to side and free or interconnected.