US PATENT SUBCLASS 5 / 257
.~.~.~.~ Top-coil unions


Current as of: June, 1999
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5 /   HD   BEDS

131  DF  BEDSTEADS {6}
400  DF  .~ Having bottom {9}
246  DF  .~.~ Of springs {3}
254  DF  .~.~.~ Elements {10}
257.~.~.~.~ Top-coil unions


DEFINITION

Classification: 5/257

(under subclass 254) Devices, for means of connecting the end of the top coil of a spiral spring to the adjacent part of a lower turn of the same spring to form a closed top loop.