US PATENT SUBCLASS 5 / 239
.~.~ Of slats and springs

Current as of: June, 1999
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5 /   HD   BEDS

131  DF  BEDSTEADS {6}
400  DF  .~ Having bottom {9}
239.~.~ Of slats and springs {4}
240  DF  .~.~.~> Collapsible or extensible frameworks
241  DF  .~.~.~> Independent slats with spring supports {2}
244  DF  .~.~.~> Rigid slat frame tops
245  DF  .~.~.~> Attaching slats to spring coils

DEFINITION

Classification: 5/239

(under subclass 131) Devices comprising bed bottoms in which the supporting surface is composed of slats resiliently supported.

SEE OR SEARCH THIS CLASS, SUBCLASS:

191, for flexible thin strips requiring end tension.

237, for bowed spring slats.

246+, for flexible means for uniting spring top coils, particularly subclasses 267+ and 275.

263+, for slats or bars used as bottom supports for springs.

SEE OR SEARCH CLASS 428, Stock Material or Miscellaneous Articles,

592, for metallic stock which is helical or has a helical component.