US PATENT SUBCLASS 5 / 12.1
SOFA BED

Current as of: June, 1999
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12.1SOFA BED {15}
12.2  DF  .~> Knockdown sofa bed
13  DF  .~> Link supported unfolding
14  DF  .~> Beds stowed under seat
15  DF  .~> Suspended bottoms
16  DF  .~> Vertical unfolding sections
17  DF  .~> Extension {3}
24  DF  .~> Rotary seats {2}
27  DF  .~> Pivoted seat over forward invertible section
28  DF  .~> Unfolding seat {5}
37.1  DF  .~> Reverting back {6}
43  DF  .~> Forward-turning back {3}
47  DF  .~> Sliding and pivoting back {1}
49  DF  .~> Drop or standing leaf
50  DF  .~> Drop leaf only
51.1  DF  .~> Bed element {8}

DEFINITION

Classification: 5/12.1

SOFA BED:

(under the class definition) That subject matter which by relative movement of its parts may be converted from a seat to a bed.

(1) Note. The term sofa is considered to define a long upholstered seat usually having arms and a back.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93.1, for sofa beds having devices attached or connected thereto for converting them to cribs.

SEE OR SEARCH CLASS

297, Chairs and Seats,

63+, for sofas or chairs convertible to beds by reorienting a component of adjacent seats; subclasses 68+ for a sofa or chair convertible to a bed by relative movement of a rest which supports the bottom, the back, or a leg; subclasses 105+ for a sofa or chair convertible by withdrawing a supplemental body support from a displaceable bottom; subclasses 112+ for a sofa or chair convertible by withdrawing a supplemental body support from a back; subclasses 115+ for sofas or chairs convertible to beds by movement of the arms; and subclasses 118+ for other sofas or chairs convertible to beds.