US PATENT SUBCLASS 5 / 30
.~.~ Extension supported

Current as of: June, 1999
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5 /   HD   BEDS

12.1  DF  SOFA BED {15}
28  DF  .~ Unfolding seat {5}
30.~.~ Extension supported

DEFINITION

Classification: 5/30

(under subclass 28) Devices in which a slidable or swinging frame extension serves to support the section.