US PATENT SUBCLASS 5 / 35
.~.~ Double unfolding (including zigzag)


Current as of: June, 1999
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5 /   HD   BEDS

12.1  DF  SOFA BED {15}
28  DF  .~ Unfolding seat {5}
35.~.~ Double unfolding (including zigzag)


DEFINITION

Classification: 5/35

(under subclass 28) Devices in which the seat section carries additional forward unfolding bed sections.

(1) Note. These additional sections may usually be added or subtracted to arrange a bed transversely or longitudinally of the sofa. Consequently for the characteristic inner structure the appropriate subclasses 31-34 should be searched and the manner of adding foot sections be sought in this and the next subclass.